diff options
Diffstat (limited to 'drivers/net/ethernet/intel/i40e/i40e_txrx.c')
-rw-r--r-- | drivers/net/ethernet/intel/i40e/i40e_txrx.c | 144 |
1 files changed, 76 insertions, 68 deletions
diff --git a/drivers/net/ethernet/intel/i40e/i40e_txrx.c b/drivers/net/ethernet/intel/i40e/i40e_txrx.c index 0b4a7be..cc82a7f 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_txrx.c +++ b/drivers/net/ethernet/intel/i40e/i40e_txrx.c @@ -165,9 +165,6 @@ int i40e_program_fdir_filter(struct i40e_fdir_filter *fdir_data, u8 *raw_packet, tx_desc->cmd_type_offset_bsz = build_ctob(td_cmd, 0, I40E_FDIR_MAX_RAW_PACKET_SIZE, 0); - /* set the timestamp */ - tx_buf->time_stamp = jiffies; - /* Force memory writes to complete before letting h/w * know there are new descriptors to fetch. */ @@ -283,7 +280,8 @@ static int i40e_add_del_fdir_tcpv4(struct i40e_vsi *vsi, if (add) { pf->fd_tcp_rule++; if (pf->flags & I40E_FLAG_FD_ATR_ENABLED) { - dev_info(&pf->pdev->dev, "Forcing ATR off, sideband rules for TCP/IPv4 flow being applied\n"); + if (I40E_DEBUG_FD & pf->hw.debug_mask) + dev_info(&pf->pdev->dev, "Forcing ATR off, sideband rules for TCP/IPv4 flow being applied\n"); pf->flags &= ~I40E_FLAG_FD_ATR_ENABLED; } } else { @@ -291,7 +289,8 @@ static int i40e_add_del_fdir_tcpv4(struct i40e_vsi *vsi, (pf->fd_tcp_rule - 1) : 0; if (pf->fd_tcp_rule == 0) { pf->flags |= I40E_FLAG_FD_ATR_ENABLED; - dev_info(&pf->pdev->dev, "ATR re-enabled due to no sideband TCP/IPv4 rules\n"); + if (I40E_DEBUG_FD & pf->hw.debug_mask) + dev_info(&pf->pdev->dev, "ATR re-enabled due to no sideband TCP/IPv4 rules\n"); } } @@ -501,7 +500,8 @@ static void i40e_fd_handle_status(struct i40e_ring *rx_ring, if ((pf->flags & I40E_FLAG_FD_SB_ENABLED) && !(pf->auto_disable_flags & I40E_FLAG_FD_SB_ENABLED)) { - dev_warn(&pdev->dev, "FD filter space full, new ntuple rules will not be added\n"); + if (I40E_DEBUG_FD & pf->hw.debug_mask) + dev_warn(&pdev->dev, "FD filter space full, new ntuple rules will not be added\n"); pf->auto_disable_flags |= I40E_FLAG_FD_SB_ENABLED; } @@ -807,10 +807,6 @@ static bool i40e_clean_tx_irq(struct i40e_ring *tx_ring, int budget) tx_ring->vsi->seid, tx_ring->queue_index, tx_ring->next_to_use, i); - dev_info(tx_ring->dev, "tx_bi[next_to_clean]\n" - " time_stamp <%lx>\n" - " jiffies <%lx>\n", - tx_ring->tx_bi[i].time_stamp, jiffies); netif_stop_subqueue(tx_ring->netdev, tx_ring->queue_index); @@ -1653,9 +1649,6 @@ static int i40e_clean_rx_irq_ps(struct i40e_ring *rx_ring, int budget) /* ERR_MASK will only have valid bits if EOP set */ if (unlikely(rx_error & (1 << I40E_RX_DESC_ERROR_RXE_SHIFT))) { dev_kfree_skb_any(skb); - /* TODO: shouldn't we increment a counter indicating the - * drop? - */ continue; } @@ -1923,11 +1916,11 @@ int i40e_napi_poll(struct napi_struct *napi, int budget) * i40e_atr - Add a Flow Director ATR filter * @tx_ring: ring to add programming descriptor to * @skb: send buffer - * @flags: send flags + * @tx_flags: send tx flags * @protocol: wire protocol **/ static void i40e_atr(struct i40e_ring *tx_ring, struct sk_buff *skb, - u32 flags, __be16 protocol) + u32 tx_flags, __be16 protocol) { struct i40e_filter_program_desc *fdir_desc; struct i40e_pf *pf = tx_ring->vsi->back; @@ -1952,25 +1945,38 @@ static void i40e_atr(struct i40e_ring *tx_ring, struct sk_buff *skb, if (!tx_ring->atr_sample_rate) return; - /* snag network header to get L4 type and address */ - hdr.network = skb_network_header(skb); + if (!(tx_flags & (I40E_TX_FLAGS_IPV4 | I40E_TX_FLAGS_IPV6))) + return; - /* Currently only IPv4/IPv6 with TCP is supported */ - if (protocol == htons(ETH_P_IP)) { - if (hdr.ipv4->protocol != IPPROTO_TCP) - return; + if (!(tx_flags & I40E_TX_FLAGS_VXLAN_TUNNEL)) { + /* snag network header to get L4 type and address */ + hdr.network = skb_network_header(skb); - /* access ihl as a u8 to avoid unaligned access on ia64 */ - hlen = (hdr.network[0] & 0x0F) << 2; - } else if (protocol == htons(ETH_P_IPV6)) { - if (hdr.ipv6->nexthdr != IPPROTO_TCP) + /* Currently only IPv4/IPv6 with TCP is supported + * access ihl as u8 to avoid unaligned access on ia64 + */ + if (tx_flags & I40E_TX_FLAGS_IPV4) + hlen = (hdr.network[0] & 0x0F) << 2; + else if (protocol == htons(ETH_P_IPV6)) + hlen = sizeof(struct ipv6hdr); + else return; - - hlen = sizeof(struct ipv6hdr); } else { - return; + hdr.network = skb_inner_network_header(skb); + hlen = skb_inner_network_header_len(skb); } + /* Currently only IPv4/IPv6 with TCP is supported + * Note: tx_flags gets modified to reflect inner protocols in + * tx_enable_csum function if encap is enabled. + */ + if ((tx_flags & I40E_TX_FLAGS_IPV4) && + (hdr.ipv4->protocol != IPPROTO_TCP)) + return; + else if ((tx_flags & I40E_TX_FLAGS_IPV6) && + (hdr.ipv6->nexthdr != IPPROTO_TCP)) + return; + th = (struct tcphdr *)(hdr.network + hlen); /* Due to lack of space, no more new filters can be programmed */ @@ -2020,9 +2026,16 @@ static void i40e_atr(struct i40e_ring *tx_ring, struct sk_buff *skb, I40E_TXD_FLTR_QW1_FD_STATUS_SHIFT; dtype_cmd |= I40E_TXD_FLTR_QW1_CNT_ENA_MASK; - dtype_cmd |= - ((u32)pf->fd_atr_cnt_idx << I40E_TXD_FLTR_QW1_CNTINDEX_SHIFT) & - I40E_TXD_FLTR_QW1_CNTINDEX_MASK; + if (!(tx_flags & I40E_TX_FLAGS_VXLAN_TUNNEL)) + dtype_cmd |= + ((u32)I40E_FD_ATR_STAT_IDX(pf->hw.pf_id) << + I40E_TXD_FLTR_QW1_CNTINDEX_SHIFT) & + I40E_TXD_FLTR_QW1_CNTINDEX_MASK; + else + dtype_cmd |= + ((u32)I40E_FD_ATR_TUNNEL_STAT_IDX(pf->hw.pf_id) << + I40E_TXD_FLTR_QW1_CNTINDEX_SHIFT) & + I40E_TXD_FLTR_QW1_CNTINDEX_MASK; fdir_desc->qindex_flex_ptype_vsi = cpu_to_le32(flex_ptype); fdir_desc->rsvd = cpu_to_le32(0); @@ -2043,13 +2056,13 @@ static void i40e_atr(struct i40e_ring *tx_ring, struct sk_buff *skb, * otherwise returns 0 to indicate the flags has been set properly. **/ #ifdef I40E_FCOE -int i40e_tx_prepare_vlan_flags(struct sk_buff *skb, - struct i40e_ring *tx_ring, - u32 *flags) -#else -static int i40e_tx_prepare_vlan_flags(struct sk_buff *skb, +inline int i40e_tx_prepare_vlan_flags(struct sk_buff *skb, struct i40e_ring *tx_ring, u32 *flags) +#else +static inline int i40e_tx_prepare_vlan_flags(struct sk_buff *skb, + struct i40e_ring *tx_ring, + u32 *flags) #endif { __be16 protocol = skb->protocol; @@ -2117,16 +2130,14 @@ out: * i40e_tso - set up the tso context descriptor * @tx_ring: ptr to the ring to send * @skb: ptr to the skb we're sending - * @tx_flags: the collected send information - * @protocol: the send protocol * @hdr_len: ptr to the size of the packet header * @cd_tunneling: ptr to context descriptor bits * * Returns 0 if no TSO can happen, 1 if tso is going, or error **/ static int i40e_tso(struct i40e_ring *tx_ring, struct sk_buff *skb, - u32 tx_flags, __be16 protocol, u8 *hdr_len, - u64 *cd_type_cmd_tso_mss, u32 *cd_tunneling) + u8 *hdr_len, u64 *cd_type_cmd_tso_mss, + u32 *cd_tunneling) { u32 cd_cmd, cd_tso_len, cd_mss; struct ipv6hdr *ipv6h; @@ -2218,12 +2229,12 @@ static int i40e_tsyn(struct i40e_ring *tx_ring, struct sk_buff *skb, /** * i40e_tx_enable_csum - Enable Tx checksum offloads * @skb: send buffer - * @tx_flags: Tx flags currently set + * @tx_flags: pointer to Tx flags currently set * @td_cmd: Tx descriptor command bits to set * @td_offset: Tx descriptor header offsets to set * @cd_tunneling: ptr to context desc bits **/ -static void i40e_tx_enable_csum(struct sk_buff *skb, u32 tx_flags, +static void i40e_tx_enable_csum(struct sk_buff *skb, u32 *tx_flags, u32 *td_cmd, u32 *td_offset, struct i40e_ring *tx_ring, u32 *cd_tunneling) @@ -2239,6 +2250,7 @@ static void i40e_tx_enable_csum(struct sk_buff *skb, u32 tx_flags, switch (ip_hdr(skb)->protocol) { case IPPROTO_UDP: l4_tunnel = I40E_TXD_CTX_UDP_TUNNELING; + *tx_flags |= I40E_TX_FLAGS_VXLAN_TUNNEL; break; default: return; @@ -2248,18 +2260,17 @@ static void i40e_tx_enable_csum(struct sk_buff *skb, u32 tx_flags, this_ipv6_hdr = inner_ipv6_hdr(skb); this_tcp_hdrlen = inner_tcp_hdrlen(skb); - if (tx_flags & I40E_TX_FLAGS_IPV4) { - - if (tx_flags & I40E_TX_FLAGS_TSO) { + if (*tx_flags & I40E_TX_FLAGS_IPV4) { + if (*tx_flags & I40E_TX_FLAGS_TSO) { *cd_tunneling |= I40E_TX_CTX_EXT_IP_IPV4; ip_hdr(skb)->check = 0; } else { *cd_tunneling |= I40E_TX_CTX_EXT_IP_IPV4_NO_CSUM; } - } else if (tx_flags & I40E_TX_FLAGS_IPV6) { + } else if (*tx_flags & I40E_TX_FLAGS_IPV6) { *cd_tunneling |= I40E_TX_CTX_EXT_IP_IPV6; - if (tx_flags & I40E_TX_FLAGS_TSO) + if (*tx_flags & I40E_TX_FLAGS_TSO) ip_hdr(skb)->check = 0; } @@ -2271,8 +2282,8 @@ static void i40e_tx_enable_csum(struct sk_buff *skb, u32 tx_flags, skb_transport_offset(skb)) >> 1) << I40E_TXD_CTX_QW0_NATLEN_SHIFT; if (this_ip_hdr->version == 6) { - tx_flags &= ~I40E_TX_FLAGS_IPV4; - tx_flags |= I40E_TX_FLAGS_IPV6; + *tx_flags &= ~I40E_TX_FLAGS_IPV4; + *tx_flags |= I40E_TX_FLAGS_IPV6; } } else { network_hdr_len = skb_network_header_len(skb); @@ -2282,12 +2293,12 @@ static void i40e_tx_enable_csum(struct sk_buff *skb, u32 tx_flags, } /* Enable IP checksum offloads */ - if (tx_flags & I40E_TX_FLAGS_IPV4) { + if (*tx_flags & I40E_TX_FLAGS_IPV4) { l4_hdr = this_ip_hdr->protocol; /* the stack computes the IP header already, the only time we * need the hardware to recompute it is in the case of TSO. */ - if (tx_flags & I40E_TX_FLAGS_TSO) { + if (*tx_flags & I40E_TX_FLAGS_TSO) { *td_cmd |= I40E_TX_DESC_CMD_IIPT_IPV4_CSUM; this_ip_hdr->check = 0; } else { @@ -2296,7 +2307,7 @@ static void i40e_tx_enable_csum(struct sk_buff *skb, u32 tx_flags, /* Now set the td_offset for IP header length */ *td_offset = (network_hdr_len >> 2) << I40E_TX_DESC_LENGTH_IPLEN_SHIFT; - } else if (tx_flags & I40E_TX_FLAGS_IPV6) { + } else if (*tx_flags & I40E_TX_FLAGS_IPV6) { l4_hdr = this_ipv6_hdr->nexthdr; *td_cmd |= I40E_TX_DESC_CMD_IIPT_IPV6; /* Now set the td_offset for IP header length */ @@ -2394,9 +2405,9 @@ static inline int __i40e_maybe_stop_tx(struct i40e_ring *tx_ring, int size) * Returns 0 if stop is not needed **/ #ifdef I40E_FCOE -int i40e_maybe_stop_tx(struct i40e_ring *tx_ring, int size) +inline int i40e_maybe_stop_tx(struct i40e_ring *tx_ring, int size) #else -static int i40e_maybe_stop_tx(struct i40e_ring *tx_ring, int size) +static inline int i40e_maybe_stop_tx(struct i40e_ring *tx_ring, int size) #endif { if (likely(I40E_DESC_UNUSED(tx_ring) >= size)) @@ -2476,13 +2487,13 @@ linearize_chk_done: * @td_offset: offset for checksum or crc **/ #ifdef I40E_FCOE -void i40e_tx_map(struct i40e_ring *tx_ring, struct sk_buff *skb, - struct i40e_tx_buffer *first, u32 tx_flags, - const u8 hdr_len, u32 td_cmd, u32 td_offset) -#else -static void i40e_tx_map(struct i40e_ring *tx_ring, struct sk_buff *skb, +inline void i40e_tx_map(struct i40e_ring *tx_ring, struct sk_buff *skb, struct i40e_tx_buffer *first, u32 tx_flags, const u8 hdr_len, u32 td_cmd, u32 td_offset) +#else +static inline void i40e_tx_map(struct i40e_ring *tx_ring, struct sk_buff *skb, + struct i40e_tx_buffer *first, u32 tx_flags, + const u8 hdr_len, u32 td_cmd, u32 td_offset) #endif { unsigned int data_len = skb->data_len; @@ -2588,9 +2599,6 @@ static void i40e_tx_map(struct i40e_ring *tx_ring, struct sk_buff *skb, tx_ring->queue_index), first->bytecount); - /* set the timestamp */ - first->time_stamp = jiffies; - /* Force memory writes to complete before letting h/w * know there are new descriptors to fetch. (Only * applicable for weak-ordered memory model archs, @@ -2643,11 +2651,11 @@ dma_error: * one descriptor. **/ #ifdef I40E_FCOE -int i40e_xmit_descriptor_count(struct sk_buff *skb, - struct i40e_ring *tx_ring) -#else -static int i40e_xmit_descriptor_count(struct sk_buff *skb, +inline int i40e_xmit_descriptor_count(struct sk_buff *skb, struct i40e_ring *tx_ring) +#else +static inline int i40e_xmit_descriptor_count(struct sk_buff *skb, + struct i40e_ring *tx_ring) #endif { unsigned int f; @@ -2709,7 +2717,7 @@ static netdev_tx_t i40e_xmit_frame_ring(struct sk_buff *skb, else if (protocol == htons(ETH_P_IPV6)) tx_flags |= I40E_TX_FLAGS_IPV6; - tso = i40e_tso(tx_ring, skb, tx_flags, protocol, &hdr_len, + tso = i40e_tso(tx_ring, skb, &hdr_len, &cd_type_cmd_tso_mss, &cd_tunneling); if (tso < 0) @@ -2735,7 +2743,7 @@ static netdev_tx_t i40e_xmit_frame_ring(struct sk_buff *skb, if (skb->ip_summed == CHECKSUM_PARTIAL) { tx_flags |= I40E_TX_FLAGS_CSUM; - i40e_tx_enable_csum(skb, tx_flags, &td_cmd, &td_offset, + i40e_tx_enable_csum(skb, &tx_flags, &td_cmd, &td_offset, tx_ring, &cd_tunneling); } |