From: Intiyaz Basha Date: Mon, 14 Aug 2017 19:01:44 +0000 (-0700) Subject: liquidio: moved liquidio_push_packet to lio_core.c X-Git-Tag: v4.14-rc1~130^2~253^2~4 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=21f0888b5a8a1d42630f2c7bb602a7a348714dd3;p=platform%2Fkernel%2Flinux-rpi3.git liquidio: moved liquidio_push_packet to lio_core.c Moving common liquidio_push_packet to lio_core.c Signed-off-by: Intiyaz Basha Signed-off-by: Felix Manlunas Signed-off-by: David S. Miller --- diff --git a/drivers/net/ethernet/cavium/liquidio/lio_core.c b/drivers/net/ethernet/cavium/liquidio/lio_core.c index 90583ce..b0b246e 100644 --- a/drivers/net/ethernet/cavium/liquidio/lio_core.c +++ b/drivers/net/ethernet/cavium/liquidio/lio_core.c @@ -432,3 +432,152 @@ int octeon_setup_droq(struct octeon_device *oct, int q_no, int num_descs, return ret_val; } + +/** 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 + */ +void +liquidio_push_packet(u32 octeon_id __attribute__((unused)), + void *skbuff, + u32 len, + union octeon_rh *rh, + void *param, + void *arg) +{ + struct net_device *netdev = (struct net_device *)arg; + struct octeon_droq *droq = + container_of(param, struct octeon_droq, napi); + struct sk_buff *skb = (struct sk_buff *)skbuff; + struct skb_shared_hwtstamps *shhwtstamps; + struct napi_struct *napi = param; + u16 vtag = 0; + u32 r_dh_off; + u64 ns; + + if (netdev) { + struct lio *lio = GET_LIO(netdev); + struct octeon_device *oct = lio->oct_dev; + 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 (oct->ptp_enable) { + if (rh->r_dh.has_hwtstamp) { + /* timestamp is included from the hardware at + * the beginning of the packet. + */ + if (ifstate_check + (lio, + LIO_IFSTATE_RX_TIMESTAMP_ENABLED)) { + /* Nanoseconds are in the first 64-bits + * of the packet. + */ + memcpy(&ns, (skb->data + r_dh_off), + sizeof(ns)); + r_dh_off -= BYTES_PER_DHLEN_UNIT; + shhwtstamps = skb_hwtstamps(skb); + shhwtstamps->hwtstamp = + ns_to_ktime(ns + + lio->ptp_adjust); + } + } + } + + 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); + } +} diff --git a/drivers/net/ethernet/cavium/liquidio/lio_main.c b/drivers/net/ethernet/cavium/liquidio/lio_main.c index 02e7118..48a178e 100644 --- a/drivers/net/ethernet/cavium/liquidio/lio_main.c +++ b/drivers/net/ethernet/cavium/liquidio/lio_main.c @@ -2231,153 +2231,6 @@ 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 sk_buff *skb = (struct sk_buff *)skbuff; - struct skb_shared_hwtstamps *shhwtstamps; - u64 ns; - u16 vtag = 0; - u32 r_dh_off; - struct net_device *netdev = (struct net_device *)arg; - struct octeon_droq *droq = container_of(param, struct octeon_droq, - napi); - if (netdev) { - int packet_was_received; - struct lio *lio = GET_LIO(netdev); - struct octeon_device *oct = lio->oct_dev; - - /* 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 (oct->ptp_enable) { - if (rh->r_dh.has_hwtstamp) { - /* timestamp is included from the hardware at - * the beginning of the packet. - */ - if (ifstate_check - (lio, LIO_IFSTATE_RX_TIMESTAMP_ENABLED)) { - /* Nanoseconds are in the first 64-bits - * of the packet. - */ - memcpy(&ns, (skb->data + r_dh_off), - sizeof(ns)); - r_dh_off -= BYTES_PER_DHLEN_UNIT; - shhwtstamps = skb_hwtstamps(skb); - shhwtstamps->hwtstamp = - ns_to_ktime(ns + - lio->ptp_adjust); - } - } - } - - 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 != 0)) { - u16 vid = rh->r_dh.vlan; - u16 priority = rh->r_dh.priority; - - vtag = priority << 13 | 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 wrapper for calling napi_schedule * @param param parameters to pass to napi_schedule diff --git a/drivers/net/ethernet/cavium/liquidio/lio_vf_main.c b/drivers/net/ethernet/cavium/liquidio/lio_vf_main.c index a6efd75..013a8613 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 diff --git a/drivers/net/ethernet/cavium/liquidio/octeon_network.h b/drivers/net/ethernet/cavium/liquidio/octeon_network.h index b2bb34d..5d78fd6 100644 --- a/drivers/net/ethernet/cavium/liquidio/octeon_network.h +++ b/drivers/net/ethernet/cavium/liquidio/octeon_network.h @@ -477,4 +477,11 @@ static inline int wait_for_pending_requests(struct octeon_device *oct) void lio_update_txq_status(struct octeon_device *oct, int iq_num); int octeon_setup_droq(struct octeon_device *oct, int q_no, int num_descs, int desc_size, void *app_ctx); +void +liquidio_push_packet(u32 octeon_id __attribute__((unused)), + void *skbuff, + u32 len, + union octeon_rh *rh, + void *param, + void *arg); #endif