diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/ethernet/emulex/benet/be.h | 2 | ||||
| -rw-r--r-- | drivers/net/ethernet/marvell/mvpp2.c | 59 | ||||
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c | 13 | ||||
| -rw-r--r-- | drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c | 8 | ||||
| -rw-r--r-- | drivers/net/ethernet/stmicro/stmmac/dwmac1000_core.c | 2 | ||||
| -rw-r--r-- | drivers/net/ethernet/stmicro/stmmac/dwmac100_core.c | 2 | ||||
| -rw-r--r-- | drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c | 8 | ||||
| -rw-r--r-- | drivers/net/fddi/skfp/hwmtm.c | 12 | ||||
| -rw-r--r-- | drivers/net/fddi/skfp/pmf.c | 2 | ||||
| -rw-r--r-- | drivers/net/fddi/skfp/smt.c | 2 | ||||
| -rw-r--r-- | drivers/net/virtio_net.c | 172 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/ath10k/wmi.c | 2 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/xmit.c | 2 | ||||
| -rw-r--r-- | drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c | 7 | ||||
| -rw-r--r-- | drivers/net/wireless/broadcom/brcm80211/brcmfmac/pno.c | 1 | ||||
| -rw-r--r-- | drivers/net/wireless/realtek/rtlwifi/core.c | 3 |
16 files changed, 170 insertions, 127 deletions
diff --git a/drivers/net/ethernet/emulex/benet/be.h b/drivers/net/ethernet/emulex/benet/be.h index 6cfa63a5e9b4..4c30c44b242e 100644 --- a/drivers/net/ethernet/emulex/benet/be.h +++ b/drivers/net/ethernet/emulex/benet/be.h @@ -65,7 +65,7 @@ /* Number of bytes of an RX frame that are copied to skb->data */ #define BE_HDR_LEN ((u16) 64) /* allocate extra space to allow tunneling decapsulation without head reallocation */ -#define BE_RX_SKB_ALLOC_SIZE (BE_HDR_LEN + 64) +#define BE_RX_SKB_ALLOC_SIZE 256 #define BE_MAX_JUMBO_FRAME_SIZE 9018 #define BE_MIN_MTU 256 diff --git a/drivers/net/ethernet/marvell/mvpp2.c b/drivers/net/ethernet/marvell/mvpp2.c index dabc5418efcc..cda04b3126bc 100644 --- a/drivers/net/ethernet/marvell/mvpp2.c +++ b/drivers/net/ethernet/marvell/mvpp2.c @@ -770,6 +770,17 @@ struct mvpp2_rx_desc { u32 reserved8; }; +struct mvpp2_txq_pcpu_buf { + /* Transmitted SKB */ + struct sk_buff *skb; + + /* Physical address of transmitted buffer */ + dma_addr_t phys; + + /* Size transmitted */ + size_t size; +}; + /* Per-CPU Tx queue control */ struct mvpp2_txq_pcpu { int cpu; @@ -785,11 +796,8 @@ struct mvpp2_txq_pcpu { /* Number of Tx DMA descriptors reserved for each CPU */ int reserved_num; - /* Array of transmitted skb */ - struct sk_buff **tx_skb; - - /* Array of transmitted buffers' physical addresses */ - dma_addr_t *tx_buffs; + /* Infos about transmitted buffers */ + struct mvpp2_txq_pcpu_buf *buffs; /* Index of last TX DMA descriptor that was inserted */ int txq_put_index; @@ -979,10 +987,11 @@ static void mvpp2_txq_inc_put(struct mvpp2_txq_pcpu *txq_pcpu, struct sk_buff *skb, struct mvpp2_tx_desc *tx_desc) { - txq_pcpu->tx_skb[txq_pcpu->txq_put_index] = skb; - if (skb) - txq_pcpu->tx_buffs[txq_pcpu->txq_put_index] = - tx_desc->buf_phys_addr; + struct mvpp2_txq_pcpu_buf *tx_buf = + txq_pcpu->buffs + txq_pcpu->txq_put_index; + tx_buf->skb = skb; + tx_buf->size = tx_desc->data_size; + tx_buf->phys = tx_desc->buf_phys_addr; txq_pcpu->txq_put_index++; if (txq_pcpu->txq_put_index == txq_pcpu->size) txq_pcpu->txq_put_index = 0; @@ -4401,17 +4410,16 @@ static void mvpp2_txq_bufs_free(struct mvpp2_port *port, int i; for (i = 0; i < num; i++) { - dma_addr_t buf_phys_addr = - txq_pcpu->tx_buffs[txq_pcpu->txq_get_index]; - struct sk_buff *skb = txq_pcpu->tx_skb[txq_pcpu->txq_get_index]; + struct mvpp2_txq_pcpu_buf *tx_buf = + txq_pcpu->buffs + txq_pcpu->txq_get_index; mvpp2_txq_inc_get(txq_pcpu); - dma_unmap_single(port->dev->dev.parent, buf_phys_addr, - skb_headlen(skb), DMA_TO_DEVICE); - if (!skb) + dma_unmap_single(port->dev->dev.parent, tx_buf->phys, + tx_buf->size, DMA_TO_DEVICE); + if (!tx_buf->skb) continue; - dev_kfree_skb_any(skb); + dev_kfree_skb_any(tx_buf->skb); } } @@ -4651,15 +4659,10 @@ static int mvpp2_txq_init(struct mvpp2_port *port, for_each_present_cpu(cpu) { txq_pcpu = per_cpu_ptr(txq->pcpu, cpu); txq_pcpu->size = txq->size; - txq_pcpu->tx_skb = kmalloc(txq_pcpu->size * - sizeof(*txq_pcpu->tx_skb), - GFP_KERNEL); - if (!txq_pcpu->tx_skb) - goto error; - - txq_pcpu->tx_buffs = kmalloc(txq_pcpu->size * - sizeof(dma_addr_t), GFP_KERNEL); - if (!txq_pcpu->tx_buffs) + txq_pcpu->buffs = kmalloc(txq_pcpu->size * + sizeof(struct mvpp2_txq_pcpu_buf), + GFP_KERNEL); + if (!txq_pcpu->buffs) goto error; txq_pcpu->count = 0; @@ -4673,8 +4676,7 @@ static int mvpp2_txq_init(struct mvpp2_port *port, error: for_each_present_cpu(cpu) { txq_pcpu = per_cpu_ptr(txq->pcpu, cpu); - kfree(txq_pcpu->tx_skb); - kfree(txq_pcpu->tx_buffs); + kfree(txq_pcpu->buffs); } dma_free_coherent(port->dev->dev.parent, @@ -4693,8 +4695,7 @@ static void mvpp2_txq_deinit(struct mvpp2_port *port, for_each_present_cpu(cpu) { txq_pcpu = per_cpu_ptr(txq->pcpu, cpu); - kfree(txq_pcpu->tx_skb); - kfree(txq_pcpu->tx_buffs); + kfree(txq_pcpu->buffs); } if (txq->descs) diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c index 53126bf68ea9..01d0efa9c5c7 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c @@ -942,7 +942,7 @@ static void mlxsw_sp_router_neigh_update_hw(struct work_struct *work) char rauht_pl[MLXSW_REG_RAUHT_LEN]; struct net_device *dev; bool entry_connected; - u8 nud_state; + u8 nud_state, dead; bool updating; bool removing; bool adding; @@ -953,10 +953,11 @@ static void mlxsw_sp_router_neigh_update_hw(struct work_struct *work) dip = ntohl(*((__be32 *) n->primary_key)); memcpy(neigh_entry->ha, n->ha, sizeof(neigh_entry->ha)); nud_state = n->nud_state; + dead = n->dead; dev = n->dev; read_unlock_bh(&n->lock); - entry_connected = nud_state & NUD_VALID; + entry_connected = nud_state & NUD_VALID && !dead; adding = (!neigh_entry->offloaded) && entry_connected; updating = neigh_entry->offloaded && entry_connected; removing = neigh_entry->offloaded && !entry_connected; @@ -1351,7 +1352,7 @@ static int mlxsw_sp_nexthop_init(struct mlxsw_sp *mlxsw_sp, struct mlxsw_sp_neigh_entry *neigh_entry; struct net_device *dev = fib_nh->nh_dev; struct neighbour *n; - u8 nud_state; + u8 nud_state, dead; /* Take a reference of neigh here ensuring that neigh would * not be detructed before the nexthop entry is finished. @@ -1383,8 +1384,9 @@ static int mlxsw_sp_nexthop_init(struct mlxsw_sp *mlxsw_sp, list_add_tail(&nh->neigh_list_node, &neigh_entry->nexthop_list); read_lock_bh(&n->lock); nud_state = n->nud_state; + dead = n->dead; read_unlock_bh(&n->lock); - __mlxsw_sp_nexthop_neigh_update(nh, !(nud_state & NUD_VALID)); + __mlxsw_sp_nexthop_neigh_update(nh, !(nud_state & NUD_VALID && !dead)); return 0; } @@ -1394,6 +1396,7 @@ static void mlxsw_sp_nexthop_fini(struct mlxsw_sp *mlxsw_sp, { struct mlxsw_sp_neigh_entry *neigh_entry = nh->neigh_entry; + __mlxsw_sp_nexthop_neigh_update(nh, true); list_del(&nh->neigh_list_node); /* If that is the last nexthop connected to that neigh, remove from @@ -1452,6 +1455,8 @@ mlxsw_sp_nexthop_group_destroy(struct mlxsw_sp *mlxsw_sp, nh = &nh_grp->nexthops[i]; mlxsw_sp_nexthop_fini(mlxsw_sp, nh); } + mlxsw_sp_nexthop_group_refresh(mlxsw_sp, nh_grp); + WARN_ON_ONCE(nh_grp->adj_index_valid); kfree(nh_grp); } diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c index 77ab0a85f067..fa6e9704c077 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c @@ -864,6 +864,10 @@ static int rk_gmac_powerup(struct rk_priv_data *bsp_priv) int ret; struct device *dev = &bsp_priv->pdev->dev; + ret = gmac_clk_enable(bsp_priv, true); + if (ret) + return ret; + /*rmii or rgmii*/ if (bsp_priv->phy_iface == PHY_INTERFACE_MODE_RGMII) { dev_info(dev, "init for RGMII\n"); @@ -880,10 +884,6 @@ static int rk_gmac_powerup(struct rk_priv_data *bsp_priv) if (ret) return ret; - ret = gmac_clk_enable(bsp_priv, true); - if (ret) - return ret; - pm_runtime_enable(dev); pm_runtime_get_sync(dev); diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac1000_core.c b/drivers/net/ethernet/stmicro/stmmac/dwmac1000_core.c index b21d03fe4f43..be3c91c7f211 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac1000_core.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac1000_core.c @@ -539,7 +539,7 @@ struct mac_device_info *dwmac1000_setup(void __iomem *ioaddr, int mcbins, mac->mii.reg_shift = 6; mac->mii.reg_mask = 0x000007C0; mac->mii.clk_csr_shift = 2; - mac->mii.clk_csr_mask = 0xF; + mac->mii.clk_csr_mask = GENMASK(5, 2); /* Get and dump the chip ID */ *synopsys_id = stmmac_get_synopsys_id(hwid); diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac100_core.c b/drivers/net/ethernet/stmicro/stmmac/dwmac100_core.c index a1d582f47b1a..9dd2987e284d 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac100_core.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac100_core.c @@ -197,7 +197,7 @@ struct mac_device_info *dwmac100_setup(void __iomem *ioaddr, int *synopsys_id) mac->mii.reg_shift = 6; mac->mii.reg_mask = 0x000007C0; mac->mii.clk_csr_shift = 2; - mac->mii.clk_csr_mask = 0xF; + mac->mii.clk_csr_mask = GENMASK(5, 2); /* Synopsys Id is not available on old chips */ *synopsys_id = 0; diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c index 23322fd9e3ac..fda01f770eff 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c @@ -81,8 +81,8 @@ static int stmmac_mdio_read(struct mii_bus *bus, int phyaddr, int phyreg) value |= (phyaddr << priv->hw->mii.addr_shift) & priv->hw->mii.addr_mask; value |= (phyreg << priv->hw->mii.reg_shift) & priv->hw->mii.reg_mask; - value |= (priv->clk_csr & priv->hw->mii.clk_csr_mask) - << priv->hw->mii.clk_csr_shift; + value |= (priv->clk_csr << priv->hw->mii.clk_csr_shift) + & priv->hw->mii.clk_csr_mask; if (priv->plat->has_gmac4) value |= MII_GMAC4_READ; @@ -122,8 +122,8 @@ static int stmmac_mdio_write(struct mii_bus *bus, int phyaddr, int phyreg, & priv->hw->mii.addr_mask; value |= (phyreg << priv->hw->mii.reg_shift) & priv->hw->mii.reg_mask; - value |= ((priv->clk_csr & priv->hw->mii.clk_csr_mask) - << priv->hw->mii.clk_csr_shift); + value |= (priv->clk_csr << priv->hw->mii.clk_csr_shift) + & priv->hw->mii.clk_csr_mask; if (priv->plat->has_gmac4) value |= MII_GMAC4_WRITE; diff --git a/drivers/net/fddi/skfp/hwmtm.c b/drivers/net/fddi/skfp/hwmtm.c index e26398b5a7dc..d0a68bdd5f63 100644 --- a/drivers/net/fddi/skfp/hwmtm.c +++ b/drivers/net/fddi/skfp/hwmtm.c @@ -1483,7 +1483,7 @@ void mac_drv_clear_rx_queue(struct s_smc *smc) r = queue->rx_curr_get ; while (queue->rx_used) { DRV_BUF_FLUSH(r,DDI_DMA_SYNC_FORCPU) ; - DB_RX("switch OWN bit of RxD 0x%x ",r,0,5) ; + DB_RX("switch OWN bit of RxD 0x%p ",r,0,5) ; r->rxd_rbctrl &= ~cpu_to_le32(BMU_OWN) ; frag_count = 1 ; DRV_BUF_FLUSH(r,DDI_DMA_SYNC_FORDEV) ; @@ -1645,7 +1645,7 @@ void hwm_tx_frag(struct s_smc *smc, char far *virt, u_long phys, int len, DB_TX("hwm_tx_frag: len = %d, frame_status = %x ",len,frame_status,2) ; if (frame_status & LAN_TX) { /* '*t' is already defined */ - DB_TX("LAN_TX: TxD = %x, virt = %x ",t,virt,3) ; + DB_TX("LAN_TX: TxD = %p, virt = %p ",t,virt,3) ; t->txd_virt = virt ; t->txd_txdscr = cpu_to_le32(smc->os.hwm.tx_descr) ; t->txd_tbadr = cpu_to_le32(phys) ; @@ -1819,7 +1819,7 @@ void smt_send_mbuf(struct s_smc *smc, SMbuf *mb, int fc) __le32 tbctrl; NDD_TRACE("THSB",mb,fc,0) ; - DB_TX("smt_send_mbuf: mb = 0x%x, fc = 0x%x",mb,fc,4) ; + DB_TX("smt_send_mbuf: mb = 0x%p, fc = 0x%x",mb,fc,4) ; mb->sm_off-- ; /* set to fc */ mb->sm_len++ ; /* + fc */ @@ -1960,7 +1960,7 @@ static void mac_drv_clear_txd(struct s_smc *smc) do { DRV_BUF_FLUSH(t1,DDI_DMA_SYNC_FORCPU) ; - DB_TX("check OWN/EOF bit of TxD 0x%x",t1,0,5) ; + DB_TX("check OWN/EOF bit of TxD 0x%p",t1,0,5) ; tbctrl = le32_to_cpu(CR_READ(t1->txd_tbctrl)); if (tbctrl & BMU_OWN || !queue->tx_used){ @@ -1988,7 +1988,7 @@ static void mac_drv_clear_txd(struct s_smc *smc) } else { #ifndef PASS_1ST_TXD_2_TX_COMP - DB_TX("mac_drv_tx_comp for TxD 0x%x",t2,0,4) ; + DB_TX("mac_drv_tx_comp for TxD 0x%p",t2,0,4) ; mac_drv_tx_complete(smc,t2) ; #else DB_TX("mac_drv_tx_comp for TxD 0x%x", @@ -2052,7 +2052,7 @@ void mac_drv_clear_tx_queue(struct s_smc *smc) tx_used = queue->tx_used ; while (tx_used) { DRV_BUF_FLUSH(t,DDI_DMA_SYNC_FORCPU) ; - DB_TX("switch OWN bit of TxD 0x%x ",t,0,5) ; + DB_TX("switch OWN bit of TxD 0x%p ",t,0,5) ; t->txd_tbctrl &= ~cpu_to_le32(BMU_OWN) ; DRV_BUF_FLUSH(t,DDI_DMA_SYNC_FORDEV) ; t = t->txd_next ; diff --git a/drivers/net/fddi/skfp/pmf.c b/drivers/net/fddi/skfp/pmf.c index 441b4dc79450..52fa162a31e0 100644 --- a/drivers/net/fddi/skfp/pmf.c +++ b/drivers/net/fddi/skfp/pmf.c @@ -284,7 +284,7 @@ void smt_pmf_received_pack(struct s_smc *smc, SMbuf *mb, int local) SMbuf *reply ; sm = smtod(mb,struct smt_header *) ; - DB_SMT("SMT: processing PMF frame at %x len %d\n",sm,mb->sm_len) ; + DB_SMT("SMT: processing PMF frame at %p len %d\n",sm,mb->sm_len) ; #ifdef DEBUG dump_smt(smc,sm,"PMF Received") ; #endif diff --git a/drivers/net/fddi/skfp/smt.c b/drivers/net/fddi/skfp/smt.c index cd78b7cacc75..e80a08903fcf 100644 --- a/drivers/net/fddi/skfp/smt.c +++ b/drivers/net/fddi/skfp/smt.c @@ -504,7 +504,7 @@ void smt_received_pack(struct s_smc *smc, SMbuf *mb, int fs) #endif smt_swap_para(sm,(int) mb->sm_len,1) ; - DB_SMT("SMT : received packet [%s] at 0x%x\n", + DB_SMT("SMT : received packet [%s] at 0x%p\n", smt_type_name[m_fc(mb) & 0xf],sm) ; DB_SMT("SMT : version %d, class %s\n",sm->smt_version, smt_class_name[(sm->smt_class>LAST_CLASS)?0 : sm->smt_class]) ; diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c index 08327e005ccc..5deeda61d6d3 100644 --- a/drivers/net/virtio_net.c +++ b/drivers/net/virtio_net.c @@ -333,9 +333,9 @@ static struct sk_buff *page_to_skb(struct virtnet_info *vi, static void virtnet_xdp_xmit(struct virtnet_info *vi, struct receive_queue *rq, struct send_queue *sq, - struct xdp_buff *xdp) + struct xdp_buff *xdp, + void *data) { - struct page *page = virt_to_head_page(xdp->data); struct virtio_net_hdr_mrg_rxbuf *hdr; unsigned int num_sg, len; void *xdp_sent; @@ -343,32 +343,46 @@ static void virtnet_xdp_xmit(struct virtnet_info *vi, /* Free up any pending old buffers before queueing new ones. */ while ((xdp_sent = virtqueue_get_buf(sq->vq, &len)) != NULL) { - struct page *sent_page = virt_to_head_page(xdp_sent); + if (vi->mergeable_rx_bufs) { + struct page *sent_page = virt_to_head_page(xdp_sent); - if (vi->mergeable_rx_bufs) put_page(sent_page); - else - give_pages(rq, sent_page); + } else { /* small buffer */ + struct sk_buff *skb = xdp_sent; + + kfree_skb(skb); + } } - /* Zero header and leave csum up to XDP layers */ - hdr = xdp->data; - memset(hdr, 0, vi->hdr_len); + if (vi->mergeable_rx_bufs) { + /* Zero header and leave csum up to XDP layers */ + hdr = xdp->data; + memset(hdr, 0, vi->hdr_len); + + num_sg = 1; + sg_init_one(sq->sg, xdp->data, xdp->data_end - xdp->data); + } else { /* small buffer */ + struct sk_buff *skb = data; + + /* Zero header and leave csum up to XDP layers */ + hdr = skb_vnet_hdr(skb); + memset(hdr, 0, vi->hdr_len); - num_sg = 1; - sg_init_one(sq->sg, xdp->data, xdp->data_end - xdp->data); + num_sg = 2; + sg_init_table(sq->sg, 2); + sg_set_buf(sq->sg, hdr, vi->hdr_len); + skb_to_sgvec(skb, sq->sg + 1, 0, skb->len); + } err = virtqueue_add_outbuf(sq->vq, sq->sg, num_sg, - xdp->data, GFP_ATOMIC); + data, GFP_ATOMIC); if (unlikely(err)) { - if (vi->mergeable_rx_bufs) + if (vi->mergeable_rx_bufs) { + struct page *page = virt_to_head_page(xdp->data); + put_page(page); - else - give_pages(rq, page); + } else /* small buffer */ + kfree_skb(data); return; // On error abort to avoid unnecessary kick - } else if (!vi->mergeable_rx_bufs) { - /* If not mergeable bufs must be big packets so cleanup pages */ - give_pages(rq, (struct page *)page->private); - page->private = 0; } virtqueue_kick(sq->vq); @@ -377,23 +391,26 @@ static void virtnet_xdp_xmit(struct virtnet_info *vi, static u32 do_xdp_prog(struct virtnet_info *vi, struct receive_queue *rq, struct bpf_prog *xdp_prog, - struct page *page, int offset, int len) + void *data, int len) { int hdr_padded_len; struct xdp_buff xdp; + void *buf; unsigned int qp; u32 act; - u8 *buf; - - buf = page_address(page) + offset; - if (vi->mergeable_rx_bufs) + if (vi->mergeable_rx_bufs) { hdr_padded_len = sizeof(struct virtio_net_hdr_mrg_rxbuf); - else - hdr_padded_len = sizeof(struct padded_vnet_hdr); + xdp.data = data + hdr_padded_len; + xdp.data_end = xdp.data + (len - vi->hdr_len); + buf = data; + } else { /* small buffers */ + struct sk_buff *skb = data; - xdp.data = buf + hdr_padded_len; - xdp.data_end = xdp.data + (len - vi->hdr_len); + xdp.data = skb->data; + xdp.data_end = xdp.data + len; + buf = skb->data; + } act = bpf_prog_run_xdp(xdp_prog, &xdp); switch (act) { @@ -403,8 +420,8 @@ static u32 do_xdp_prog(struct virtnet_info *vi, qp = vi->curr_queue_pairs - vi->xdp_queue_pairs + smp_processor_id(); - xdp.data = buf + (vi->mergeable_rx_bufs ? 0 : 4); - virtnet_xdp_xmit(vi, rq, &vi->sq[qp], &xdp); + xdp.data = buf; + virtnet_xdp_xmit(vi, rq, &vi->sq[qp], &xdp, data); return XDP_TX; default: bpf_warn_invalid_xdp_action(act); @@ -414,26 +431,17 @@ static u32 do_xdp_prog(struct virtnet_info *vi, } } -static struct sk_buff *receive_small(struct virtnet_info *vi, void *buf, unsigned int len) +static struct sk_buff *receive_small(struct net_device *dev, + struct virtnet_info *vi, + struct receive_queue *rq, + void *buf, unsigned int len) { struct sk_buff * skb = buf; + struct bpf_prog *xdp_prog; len -= vi->hdr_len; skb_trim(skb, len); - return skb; -} - -static struct sk_buff *receive_big(struct net_device *dev, - struct virtnet_info *vi, - struct receive_queue *rq, - void *buf, - unsigned int len) -{ - struct bpf_prog *xdp_prog; - struct page *page = buf; - struct sk_buff *skb; - rcu_read_lock(); xdp_prog = rcu_dereference(rq->xdp_prog); if (xdp_prog) { @@ -442,7 +450,7 @@ static struct sk_buff *receive_big(struct net_device *dev, if (unlikely(hdr->hdr.gso_type || hdr->hdr.flags)) goto err_xdp; - act = do_xdp_prog(vi, rq, xdp_prog, page, 0, len); + act = do_xdp_prog(vi, rq, xdp_prog, skb, len); switch (act) { case XDP_PASS: break; @@ -456,18 +464,33 @@ static struct sk_buff *receive_big(struct net_device *dev, } rcu_read_unlock(); - skb = page_to_skb(vi, rq, page, 0, len, PAGE_SIZE); + return skb; + +err_xdp: + rcu_read_unlock(); + dev->stats.rx_dropped++; + kfree_skb(skb); +xdp_xmit: + return NULL; +} + +static struct sk_buff *receive_big(struct net_device *dev, + struct virtnet_info *vi, + struct receive_queue *rq, + void *buf, + unsigned int len) +{ + struct page *page = buf; + struct sk_buff *skb = page_to_skb(vi, rq, page, 0, len, PAGE_SIZE); + if (unlikely(!skb)) goto err; return skb; -err_xdp: - rcu_read_unlock(); err: dev->stats.rx_dropped++; give_pages(rq, page); -xdp_xmit: return NULL; } @@ -483,7 +506,7 @@ xdp_xmit: * anymore. */ static struct page *xdp_linearize_page(struct receive_queue *rq, - u16 num_buf, + u16 *num_buf, struct page *p, int offset, unsigned int *len) @@ -497,7 +520,7 @@ static struct page *xdp_linearize_page(struct receive_queue *rq, memcpy(page_address(page) + page_off, page_address(p) + offset, *len); page_off += *len; - while (--num_buf) { + while (--*num_buf) { unsigned int buflen; unsigned long ctx; void *buf; @@ -507,19 +530,22 @@ static struct page *xdp_linearize_page(struct receive_queue *rq, if (unlikely(!ctx)) goto err_buf; + buf = mergeable_ctx_to_buf_address(ctx); + p = virt_to_head_page(buf); + off = buf - page_address(p); + /* guard against a misconfigured or uncooperative backend that * is sending packet larger than the MTU. */ - if ((page_off + buflen) > PAGE_SIZE) + if ((page_off + buflen) > PAGE_SIZE) { + put_page(p); goto err_buf; - - buf = mergeable_ctx_to_buf_address(ctx); - p = virt_to_head_page(buf); - off = buf - page_address(p); + } memcpy(page_address(page) + page_off, page_address(p) + off, buflen); page_off += buflen; + put_page(p); } *len = page_off; @@ -552,16 +578,10 @@ static struct sk_buff *receive_mergeable(struct net_device *dev, struct page *xdp_page; u32 act; - /* No known backend devices should send packets with - * more than a single buffer when XDP conditions are - * met. However it is not strictly illegal so the case - * is handled as an exception and a warning is thrown. - */ + /* This happens when rx buffer size is underestimated */ if (unlikely(num_buf > 1)) { - bpf_warn_invalid_xdp_buffer(); - /* linearize data for XDP */ - xdp_page = xdp_linearize_page(rq, num_buf, + xdp_page = xdp_linearize_page(rq, &num_buf, page, offset, &len); if (!xdp_page) goto err_xdp; @@ -575,16 +595,25 @@ static struct sk_buff *receive_mergeable(struct net_device *dev, * the receive path after XDP is loaded. In practice I * was not able to create this condition. */ - if (unlikely(hdr->hdr.gso_type || hdr->hdr.flags)) + if (unlikely(hdr->hdr.gso_type)) goto err_xdp; - act = do_xdp_prog(vi, rq, xdp_prog, page, offset, len); + act = do_xdp_prog(vi, rq, xdp_prog, + page_address(xdp_page) + offset, len); switch (act) { case XDP_PASS: - if (unlikely(xdp_page != page)) - __free_pages(xdp_page, 0); + /* We can only create skb based on xdp_page. */ + if (unlikely(xdp_page != page)) { + rcu_read_unlock(); + put_page(page); + head_skb = page_to_skb(vi, rq, xdp_page, + 0, len, PAGE_SIZE); + ewma_pkt_len_add(&rq->mrg_avg_pkt_len, len); + return head_skb; + } break; case XDP_TX: + ewma_pkt_len_add(&rq->mrg_avg_pkt_len, len); if (unlikely(xdp_page != page)) goto err_xdp; rcu_read_unlock(); @@ -593,6 +622,7 @@ static struct sk_buff *receive_mergeable(struct net_device *dev, default: if (unlikely(xdp_page != page)) __free_pages(xdp_page, 0); + ewma_pkt_len_add(&rq->mrg_avg_pkt_len, len); goto err_xdp; } } @@ -704,7 +734,7 @@ static void receive_buf(struct virtnet_info *vi, struct receive_queue *rq, else if (vi->big_packets) skb = receive_big(dev, vi, rq, buf, len); else - skb = receive_small(vi, buf, len); + skb = receive_small(dev, vi, rq, buf, len); if (unlikely(!skb)) return; @@ -1678,7 +1708,9 @@ static int virtnet_xdp_set(struct net_device *dev, struct bpf_prog *prog) int i, err; if (virtio_has_feature(vi->vdev, VIRTIO_NET_F_GUEST_TSO4) || - virtio_has_feature(vi->vdev, VIRTIO_NET_F_GUEST_TSO6)) { + virtio_has_feature(vi->vdev, VIRTIO_NET_F_GUEST_TSO6) || + virtio_has_feature(vi->vdev, VIRTIO_NET_F_GUEST_ECN) || + virtio_has_feature(vi->vdev, VIRTIO_NET_F_GUEST_UFO)) { netdev_warn(dev, "can't set XDP while host is implementing LRO, disable LRO first\n"); return -EOPNOTSUPP; } diff --git a/drivers/net/wireless/ath/ath10k/wmi.c b/drivers/net/wireless/ath/ath10k/wmi.c index c893314a191f..50d6ee6afe26 100644 --- a/drivers/net/wireless/ath/ath10k/wmi.c +++ b/drivers/net/wireless/ath/ath10k/wmi.c @@ -8271,7 +8271,7 @@ void ath10k_wmi_free_host_mem(struct ath10k *ar) dma_unmap_single(ar->dev, ar->wmi.mem_chunks[i].paddr, ar->wmi.mem_chunks[i].len, - DMA_TO_DEVICE); + DMA_BIDIRECTIONAL); kfree(ar->wmi.mem_chunks[i].vaddr); } diff --git a/drivers/net/wireless/ath/ath9k/xmit.c b/drivers/net/wireless/ath/ath9k/xmit.c index 486afa98a5b8..4e2f3ac266c3 100644 --- a/drivers/net/wireless/ath/ath9k/xmit.c +++ b/drivers/net/wireless/ath/ath9k/xmit.c @@ -2713,7 +2713,7 @@ void ath_tx_edma_tasklet(struct ath_softc *sc) fifo_list = &txq->txq_fifo[txq->txq_tailidx]; if (list_empty(fifo_list)) { ath_txq_unlock(sc, txq); - return; + break; } bf = list_first_entry(fifo_list, struct ath_buf, list); diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c index ccae3bbe7db2..7ffc4aba5bab 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c @@ -6868,7 +6868,7 @@ struct brcmf_cfg80211_info *brcmf_cfg80211_attach(struct brcmf_pub *drvr, err = brcmf_p2p_attach(cfg, p2pdev_forced); if (err) { - brcmf_err("P2P initilisation failed (%d)\n", err); + brcmf_err("P2P initialisation failed (%d)\n", err); goto wiphy_unreg_out; } err = brcmf_btcoex_attach(cfg); @@ -6893,7 +6893,7 @@ struct brcmf_cfg80211_info *brcmf_cfg80211_attach(struct brcmf_pub *drvr, err = brcmf_fweh_activate_events(ifp); if (err) { brcmf_err("FWEH activation failed (%d)\n", err); - goto wiphy_unreg_out; + goto detach; } /* Fill in some of the advertised nl80211 supported features */ @@ -6908,6 +6908,9 @@ struct brcmf_cfg80211_info *brcmf_cfg80211_attach(struct brcmf_pub *drvr, return cfg; +detach: + brcmf_btcoex_detach(cfg); + brcmf_p2p_detach(&cfg->p2p); wiphy_unreg_out: wiphy_unregister(cfg->wiphy); priv_out: diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pno.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pno.c index f273cab0da10..9a25e79a46cf 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pno.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pno.c @@ -137,6 +137,7 @@ static int brcmf_pno_add_ssid(struct brcmf_if *ifp, struct cfg80211_ssid *ssid, pfn.wpa_auth = cpu_to_le32(BRCMF_PNO_WPA_AUTH_ANY); pfn.wsec = cpu_to_le32(0); pfn.infra = cpu_to_le32(1); + pfn.flags = 0; if (active) pfn.flags = cpu_to_le32(1 << BRCMF_PNO_HIDDEN_BIT); pfn.ssid.SSID_len = cpu_to_le32(ssid->ssid_len); diff --git a/drivers/net/wireless/realtek/rtlwifi/core.c b/drivers/net/wireless/realtek/rtlwifi/core.c index 2caa4ad04dba..ded1493fee9c 100644 --- a/drivers/net/wireless/realtek/rtlwifi/core.c +++ b/drivers/net/wireless/realtek/rtlwifi/core.c @@ -1829,7 +1829,8 @@ bool rtl_cmd_send_packet(struct ieee80211_hw *hw, struct sk_buff *skb) spin_lock_irqsave(&rtlpriv->locks.irq_th_lock, flags); pskb = __skb_dequeue(&ring->queue); - dev_kfree_skb_irq(pskb); + if (pskb) + dev_kfree_skb_irq(pskb); /*this is wrong, fill_tx_cmddesc needs update*/ pdesc = &ring->desc[0]; |