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path: root/drivers/net/ethernet/intel/i40e/i40e_txrx.c
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Diffstat (limited to 'drivers/net/ethernet/intel/i40e/i40e_txrx.c')
-rw-r--r--drivers/net/ethernet/intel/i40e/i40e_txrx.c146
1 files changed, 76 insertions, 70 deletions
diff --git a/drivers/net/ethernet/intel/i40e/i40e_txrx.c b/drivers/net/ethernet/intel/i40e/i40e_txrx.c
index 9d95042d5..9a4f2bc70 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;
}
@@ -1688,7 +1681,6 @@ static int i40e_clean_rx_irq_ps(struct i40e_ring *rx_ring, int budget)
skb_mark_napi_id(skb, &rx_ring->q_vector->napi);
i40e_receive_skb(rx_ring, skb, vlan_tag);
- rx_ring->netdev->last_rx = jiffies;
rx_desc->wb.qword1.status_error_len = 0;
} while (likely(total_rx_packets < budget));
@@ -1821,7 +1813,6 @@ static int i40e_clean_rx_irq_1buf(struct i40e_ring *rx_ring, int budget)
#endif
i40e_receive_skb(rx_ring, skb, vlan_tag);
- rx_ring->netdev->last_rx = jiffies;
rx_desc->wb.qword1.status_error_len = 0;
} while (likely(total_rx_packets < budget));
@@ -1925,11 +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;
@@ -1954,25 +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 */
@@ -2022,9 +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);
@@ -2045,13 +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;
@@ -2119,16 +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;
@@ -2220,12 +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)
@@ -2241,6 +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;
@@ -2250,18 +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;
}
@@ -2273,8 +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);
@@ -2284,12 +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 {
@@ -2298,7 +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 */
@@ -2396,9 +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))
@@ -2473,13 +2482,13 @@ 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;
@@ -2585,9 +2594,6 @@ 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,
@@ -2640,11 +2646,11 @@ 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;
@@ -2706,7 +2712,7 @@ 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)
@@ -2732,7 +2738,7 @@ 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);
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-01 07:28:20 +0000