aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/net/ethernet/cavium/liquidio/lio_vf_main.c
diff options
context:
space:
mode:
authorIntiyaz Basha <intiyaz.basha@cavium.com>2017-08-14 12:01:44 -0700
committerDavid S. Miller <davem@davemloft.net>2017-08-14 22:21:40 -0700
commit21f0888b5a8a1d42630f2c7bb602a7a348714dd3 (patch)
tree2cb7bf0b3edc4fab3470dd33b1d8f51c1df6403b /drivers/net/ethernet/cavium/liquidio/lio_vf_main.c
parentliquidio: moved octeon_setup_droq to lio_core.c (diff)
downloadlinux-dev-21f0888b5a8a1d42630f2c7bb602a7a348714dd3.tar.xz
linux-dev-21f0888b5a8a1d42630f2c7bb602a7a348714dd3.zip
liquidio: moved liquidio_push_packet to lio_core.c
Moving common liquidio_push_packet to lio_core.c Signed-off-by: Intiyaz Basha <intiyaz.basha@cavium.com> Signed-off-by: Felix Manlunas <felix.manlunas@cavium.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/cavium/liquidio/lio_vf_main.c')
-rw-r--r--drivers/net/ethernet/cavium/liquidio/lio_vf_main.c128
1 files changed, 0 insertions, 128 deletions
diff --git a/drivers/net/ethernet/cavium/liquidio/lio_vf_main.c b/drivers/net/ethernet/cavium/liquidio/lio_vf_main.c
index a6efd75c30bb..013a8613d4de 100644
--- a/drivers/net/ethernet/cavium/liquidio/lio_vf_main.c
+++ b/drivers/net/ethernet/cavium/liquidio/lio_vf_main.c
@@ -1376,134 +1376,6 @@ static void if_cfg_callback(struct octeon_device *oct,
wake_up_interruptible(&ctx->wc);
}
-/** Routine to push packets arriving on Octeon interface upto network layer.
- * @param oct_id - octeon device id.
- * @param skbuff - skbuff struct to be passed to network layer.
- * @param len - size of total data received.
- * @param rh - Control header associated with the packet
- * @param param - additional control data with the packet
- * @param arg - farg registered in droq_ops
- */
-static void
-liquidio_push_packet(u32 octeon_id __attribute__((unused)),
- void *skbuff,
- u32 len,
- union octeon_rh *rh,
- void *param,
- void *arg)
-{
- struct napi_struct *napi = param;
- struct octeon_droq *droq =
- container_of(param, struct octeon_droq, napi);
- struct net_device *netdev = (struct net_device *)arg;
- struct sk_buff *skb = (struct sk_buff *)skbuff;
- u16 vtag = 0;
- u32 r_dh_off;
-
- if (netdev) {
- struct lio *lio = GET_LIO(netdev);
- int packet_was_received;
-
- /* Do not proceed if the interface is not in RUNNING state. */
- if (!ifstate_check(lio, LIO_IFSTATE_RUNNING)) {
- recv_buffer_free(skb);
- droq->stats.rx_dropped++;
- return;
- }
-
- skb->dev = netdev;
-
- skb_record_rx_queue(skb, droq->q_no);
- if (likely(len > MIN_SKB_SIZE)) {
- struct octeon_skb_page_info *pg_info;
- unsigned char *va;
-
- pg_info = ((struct octeon_skb_page_info *)(skb->cb));
- if (pg_info->page) {
- /* For Paged allocation use the frags */
- va = page_address(pg_info->page) +
- pg_info->page_offset;
- memcpy(skb->data, va, MIN_SKB_SIZE);
- skb_put(skb, MIN_SKB_SIZE);
- skb_add_rx_frag(skb, skb_shinfo(skb)->nr_frags,
- pg_info->page,
- pg_info->page_offset +
- MIN_SKB_SIZE,
- len - MIN_SKB_SIZE,
- LIO_RXBUFFER_SZ);
- }
- } else {
- struct octeon_skb_page_info *pg_info =
- ((struct octeon_skb_page_info *)(skb->cb));
- skb_copy_to_linear_data(skb,
- page_address(pg_info->page) +
- pg_info->page_offset, len);
- skb_put(skb, len);
- put_page(pg_info->page);
- }
-
- r_dh_off = (rh->r_dh.len - 1) * BYTES_PER_DHLEN_UNIT;
-
- if (rh->r_dh.has_hwtstamp)
- r_dh_off -= BYTES_PER_DHLEN_UNIT;
-
- if (rh->r_dh.has_hash) {
- __be32 *hash_be = (__be32 *)(skb->data + r_dh_off);
- u32 hash = be32_to_cpu(*hash_be);
-
- skb_set_hash(skb, hash, PKT_HASH_TYPE_L4);
- r_dh_off -= BYTES_PER_DHLEN_UNIT;
- }
-
- skb_pull(skb, rh->r_dh.len * BYTES_PER_DHLEN_UNIT);
- skb->protocol = eth_type_trans(skb, skb->dev);
-
- if ((netdev->features & NETIF_F_RXCSUM) &&
- (((rh->r_dh.encap_on) &&
- (rh->r_dh.csum_verified & CNNIC_TUN_CSUM_VERIFIED)) ||
- (!(rh->r_dh.encap_on) &&
- (rh->r_dh.csum_verified & CNNIC_CSUM_VERIFIED))))
- /* checksum has already been verified */
- skb->ip_summed = CHECKSUM_UNNECESSARY;
- else
- skb->ip_summed = CHECKSUM_NONE;
-
- /* Setting Encapsulation field on basis of status received
- * from the firmware
- */
- if (rh->r_dh.encap_on) {
- skb->encapsulation = 1;
- skb->csum_level = 1;
- droq->stats.rx_vxlan++;
- }
-
- /* inbound VLAN tag */
- if ((netdev->features & NETIF_F_HW_VLAN_CTAG_RX) &&
- rh->r_dh.vlan) {
- u16 priority = rh->r_dh.priority;
- u16 vid = rh->r_dh.vlan;
-
- vtag = (priority << VLAN_PRIO_SHIFT) | vid;
- __vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), vtag);
- }
-
- packet_was_received = (napi_gro_receive(napi, skb) != GRO_DROP);
-
- if (packet_was_received) {
- droq->stats.rx_bytes_received += len;
- droq->stats.rx_pkts_received++;
- } else {
- droq->stats.rx_dropped++;
- netif_info(lio, rx_err, lio->netdev,
- "droq:%d error rx_dropped:%llu\n",
- droq->q_no, droq->stats.rx_dropped);
- }
-
- } else {
- recv_buffer_free(skb);
- }
-}
-
/**
* \brief callback when receive interrupt occurs and we are in NAPI mode
* @param arg pointer to octeon output queue