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path: root/drivers/net/ethernet/qlogic/qede/qede_fp.c
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Diffstat (limited to 'drivers/net/ethernet/qlogic/qede/qede_fp.c')
-rw-r--r--drivers/net/ethernet/qlogic/qede/qede_fp.c93
1 files changed, 57 insertions, 36 deletions
diff --git a/drivers/net/ethernet/qlogic/qede/qede_fp.c b/drivers/net/ethernet/qlogic/qede/qede_fp.c
index 1e65038c8fc0..7b6f41d06245 100644
--- a/drivers/net/ethernet/qlogic/qede/qede_fp.c
+++ b/drivers/net/ethernet/qlogic/qede/qede_fp.c
@@ -87,7 +87,8 @@ int qede_alloc_rx_buffer(struct qede_rx_queue *rxq, bool allow_lazy)
rx_bd = (struct eth_rx_bd *)qed_chain_produce(&rxq->rx_bd_ring);
WARN_ON(!rx_bd);
rx_bd->addr.hi = cpu_to_le32(upper_32_bits(mapping));
- rx_bd->addr.lo = cpu_to_le32(lower_32_bits(mapping));
+ rx_bd->addr.lo = cpu_to_le32(lower_32_bits(mapping) +
+ rxq->rx_headroom);
rxq->sw_rx_prod++;
rxq->filled_buffers++;
@@ -360,7 +361,8 @@ static int qede_xdp_xmit(struct qede_dev *edev, struct qede_fastpath *fp,
metadata->mapping + padding,
length, PCI_DMA_TODEVICE);
- txq->sw_tx_ring.pages[idx] = metadata->data;
+ txq->sw_tx_ring.xdp[idx].page = metadata->data;
+ txq->sw_tx_ring.xdp[idx].mapping = metadata->mapping;
txq->sw_tx_prod++;
/* Mark the fastpath for future XDP doorbell */
@@ -384,19 +386,19 @@ int qede_txq_has_work(struct qede_tx_queue *txq)
static void qede_xdp_tx_int(struct qede_dev *edev, struct qede_tx_queue *txq)
{
- struct eth_tx_1st_bd *bd;
- u16 hw_bd_cons;
+ u16 hw_bd_cons, idx;
hw_bd_cons = le16_to_cpu(*txq->hw_cons_ptr);
barrier();
while (hw_bd_cons != qed_chain_get_cons_idx(&txq->tx_pbl)) {
- bd = (struct eth_tx_1st_bd *)qed_chain_consume(&txq->tx_pbl);
+ qed_chain_consume(&txq->tx_pbl);
+ idx = txq->sw_tx_cons & NUM_TX_BDS_MAX;
- dma_unmap_single(&edev->pdev->dev, BD_UNMAP_ADDR(bd),
- PAGE_SIZE, DMA_BIDIRECTIONAL);
- __free_page(txq->sw_tx_ring.pages[txq->sw_tx_cons &
- NUM_TX_BDS_MAX]);
+ dma_unmap_page(&edev->pdev->dev,
+ txq->sw_tx_ring.xdp[idx].mapping,
+ PAGE_SIZE, DMA_BIDIRECTIONAL);
+ __free_page(txq->sw_tx_ring.xdp[idx].page);
txq->sw_tx_cons++;
txq->xmit_pkts++;
@@ -508,7 +510,8 @@ static inline void qede_reuse_page(struct qede_rx_queue *rxq,
new_mapping = curr_prod->mapping + curr_prod->page_offset;
rx_bd_prod->addr.hi = cpu_to_le32(upper_32_bits(new_mapping));
- rx_bd_prod->addr.lo = cpu_to_le32(lower_32_bits(new_mapping));
+ rx_bd_prod->addr.lo = cpu_to_le32(lower_32_bits(new_mapping) +
+ rxq->rx_headroom);
rxq->sw_rx_prod++;
curr_cons->data = NULL;
@@ -624,7 +627,6 @@ static inline void qede_skb_receive(struct qede_dev *edev,
__vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), vlan_tag);
napi_gro_receive(&fp->napi, skb);
- rxq->rcv_pkts++;
}
static void qede_set_gro_params(struct qede_dev *edev,
@@ -884,9 +886,9 @@ static inline void qede_tpa_cont(struct qede_dev *edev,
"Strange - TPA cont with more than a single len_list entry\n");
}
-static void qede_tpa_end(struct qede_dev *edev,
- struct qede_fastpath *fp,
- struct eth_fast_path_rx_tpa_end_cqe *cqe)
+static int qede_tpa_end(struct qede_dev *edev,
+ struct qede_fastpath *fp,
+ struct eth_fast_path_rx_tpa_end_cqe *cqe)
{
struct qede_rx_queue *rxq = fp->rxq;
struct qede_agg_info *tpa_info;
@@ -934,11 +936,12 @@ static void qede_tpa_end(struct qede_dev *edev,
tpa_info->state = QEDE_AGG_STATE_NONE;
- return;
+ return 1;
err:
tpa_info->state = QEDE_AGG_STATE_NONE;
dev_kfree_skb_any(tpa_info->skb);
tpa_info->skb = NULL;
+ return 0;
}
static u8 qede_check_notunn_csum(u16 flag)
@@ -990,14 +993,15 @@ static bool qede_rx_xdp(struct qede_dev *edev,
struct qede_rx_queue *rxq,
struct bpf_prog *prog,
struct sw_rx_data *bd,
- struct eth_fast_path_rx_reg_cqe *cqe)
+ struct eth_fast_path_rx_reg_cqe *cqe,
+ u16 *data_offset, u16 *len)
{
- u16 len = le16_to_cpu(cqe->len_on_first_bd);
struct xdp_buff xdp;
enum xdp_action act;
- xdp.data = page_address(bd->data) + cqe->placement_offset;
- xdp.data_end = xdp.data + len;
+ xdp.data_hard_start = page_address(bd->data);
+ xdp.data = xdp.data_hard_start + *data_offset;
+ xdp.data_end = xdp.data + *len;
/* Queues always have a full reset currently, so for the time
* being until there's atomic program replace just mark read
@@ -1007,6 +1011,10 @@ static bool qede_rx_xdp(struct qede_dev *edev,
act = bpf_prog_run_xdp(prog, &xdp);
rcu_read_unlock();
+ /* Recalculate, as XDP might have changed the headers */
+ *data_offset = xdp.data - xdp.data_hard_start;
+ *len = xdp.data_end - xdp.data;
+
if (act == XDP_PASS)
return true;
@@ -1025,7 +1033,7 @@ static bool qede_rx_xdp(struct qede_dev *edev,
/* Now if there's a transmission problem, we'd still have to
* throw current buffer, as replacement was already allocated.
*/
- if (qede_xdp_xmit(edev, fp, bd, cqe->placement_offset, len)) {
+ if (qede_xdp_xmit(edev, fp, bd, *data_offset, *len)) {
dma_unmap_page(rxq->dev, bd->mapping,
PAGE_SIZE, DMA_BIDIRECTIONAL);
__free_page(bd->data);
@@ -1052,7 +1060,7 @@ static struct sk_buff *qede_rx_allocate_skb(struct qede_dev *edev,
struct sw_rx_data *bd, u16 len,
u16 pad)
{
- unsigned int offset = bd->page_offset;
+ unsigned int offset = bd->page_offset + pad;
struct skb_frag_struct *frag;
struct page *page = bd->data;
unsigned int pull_len;
@@ -1069,7 +1077,7 @@ static struct sk_buff *qede_rx_allocate_skb(struct qede_dev *edev,
*/
if (len + pad <= edev->rx_copybreak) {
memcpy(skb_put(skb, len),
- page_address(page) + pad + offset, len);
+ page_address(page) + offset, len);
qede_reuse_page(rxq, bd);
goto out;
}
@@ -1077,7 +1085,7 @@ static struct sk_buff *qede_rx_allocate_skb(struct qede_dev *edev,
frag = &skb_shinfo(skb)->frags[0];
skb_add_rx_frag(skb, skb_shinfo(skb)->nr_frags,
- page, pad + offset, len, rxq->rx_buf_seg_size);
+ page, offset, len, rxq->rx_buf_seg_size);
va = skb_frag_address(frag);
pull_len = eth_get_headlen(va, QEDE_RX_HDR_SIZE);
@@ -1178,8 +1186,7 @@ static int qede_rx_process_tpa_cqe(struct qede_dev *edev,
qede_tpa_cont(edev, rxq, &cqe->fast_path_tpa_cont);
return 0;
case ETH_RX_CQE_TYPE_TPA_END:
- qede_tpa_end(edev, fp, &cqe->fast_path_tpa_end);
- return 1;
+ return qede_tpa_end(edev, fp, &cqe->fast_path_tpa_end);
default:
return 0;
}
@@ -1224,12 +1231,13 @@ static int qede_rx_process_cqe(struct qede_dev *edev,
fp_cqe = &cqe->fast_path_regular;
len = le16_to_cpu(fp_cqe->len_on_first_bd);
- pad = fp_cqe->placement_offset;
+ pad = fp_cqe->placement_offset + rxq->rx_headroom;
/* Run eBPF program if one is attached */
if (xdp_prog)
- if (!qede_rx_xdp(edev, fp, rxq, xdp_prog, bd, fp_cqe))
- return 1;
+ if (!qede_rx_xdp(edev, fp, rxq, xdp_prog, bd, fp_cqe,
+ &pad, &len))
+ return 0;
/* If this is an error packet then drop it */
flags = cqe->fast_path_regular.pars_flags.flags;
@@ -1290,8 +1298,8 @@ static int qede_rx_int(struct qede_fastpath *fp, int budget)
{
struct qede_rx_queue *rxq = fp->rxq;
struct qede_dev *edev = fp->edev;
+ int work_done = 0, rcv_pkts = 0;
u16 hw_comp_cons, sw_comp_cons;
- int work_done = 0;
hw_comp_cons = le16_to_cpu(*rxq->hw_cons_ptr);
sw_comp_cons = qed_chain_get_cons_idx(&rxq->rx_comp_ring);
@@ -1305,12 +1313,14 @@ static int qede_rx_int(struct qede_fastpath *fp, int budget)
/* Loop to complete all indicated BDs */
while ((sw_comp_cons != hw_comp_cons) && (work_done < budget)) {
- qede_rx_process_cqe(edev, fp, rxq);
+ rcv_pkts += qede_rx_process_cqe(edev, fp, rxq);
qed_chain_recycle_consumed(&rxq->rx_comp_ring);
sw_comp_cons = qed_chain_get_cons_idx(&rxq->rx_comp_ring);
work_done++;
}
+ rxq->rcv_pkts += rcv_pkts;
+
/* Allocate replacement buffers */
while (rxq->num_rx_buffers - rxq->filled_buffers)
if (qede_alloc_rx_buffer(rxq, false))
@@ -1687,13 +1697,24 @@ netdev_features_t qede_features_check(struct sk_buff *skb,
}
/* Disable offloads for geneve tunnels, as HW can't parse
- * the geneve header which has option length greater than 32B.
+ * the geneve header which has option length greater than 32b
+ * and disable offloads for the ports which are not offloaded.
*/
- if ((l4_proto == IPPROTO_UDP) &&
- ((skb_inner_mac_header(skb) -
- skb_transport_header(skb)) > QEDE_MAX_TUN_HDR_LEN))
- return features & ~(NETIF_F_CSUM_MASK |
- NETIF_F_GSO_MASK);
+ if (l4_proto == IPPROTO_UDP) {
+ struct qede_dev *edev = netdev_priv(dev);
+ u16 hdrlen, vxln_port, gnv_port;
+
+ hdrlen = QEDE_MAX_TUN_HDR_LEN;
+ vxln_port = edev->vxlan_dst_port;
+ gnv_port = edev->geneve_dst_port;
+
+ if ((skb_inner_mac_header(skb) -
+ skb_transport_header(skb)) > hdrlen ||
+ (ntohs(udp_hdr(skb)->dest) != vxln_port &&
+ ntohs(udp_hdr(skb)->dest) != gnv_port))
+ return features & ~(NETIF_F_CSUM_MASK |
+ NETIF_F_GSO_MASK);
+ }
}
return features;
generated by cgit (git 2.34.1) at 2024-05-22 18:18:57 +0000