X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=drivers%2Fnet%2Fixgbe%2Fixgbe_rxtx_vec_sse.c;h=90c076825a02e0d1710f6ad94fae337347a097b8;hb=c6ca05823c98346422b110730760ca3c070ff0b7;hp=586a261808c768ee1a65f5f2f441f8233edf312c;hpb=a8d0d473a0a89b3c50813e3e144e9a5377429f24;p=dpdk.git diff --git a/drivers/net/ixgbe/ixgbe_rxtx_vec_sse.c b/drivers/net/ixgbe/ixgbe_rxtx_vec_sse.c index 586a261808..90c076825a 100644 --- a/drivers/net/ixgbe/ixgbe_rxtx_vec_sse.c +++ b/drivers/net/ixgbe/ixgbe_rxtx_vec_sse.c @@ -302,13 +302,11 @@ desc_to_ptype_v(__m128i descs[4], uint16_t pkt_type_mask, get_packet_type(3, pkt_info, etqf_check, tunnel_check); } -/* +/** * vPMD raw receive routine, only accept(nb_pkts >= RTE_IXGBE_DESCS_PER_LOOP) * * Notice: * - nb_pkts < RTE_IXGBE_DESCS_PER_LOOP, just return no packet - * - nb_pkts > RTE_IXGBE_MAX_RX_BURST, only scan RTE_IXGBE_MAX_RX_BURST - * numbers of DD bit * - floor align nb_pkts to a RTE_IXGBE_DESC_PER_LOOP power-of-two */ static inline uint16_t @@ -344,9 +342,6 @@ _recv_raw_pkts_vec(struct ixgbe_rx_queue *rxq, struct rte_mbuf **rx_pkts, __m128i mbuf_init; uint8_t vlan_flags; - /* nb_pkts shall be less equal than RTE_IXGBE_MAX_RX_BURST */ - nb_pkts = RTE_MIN(nb_pkts, RTE_IXGBE_MAX_RX_BURST); - /* nb_pkts has to be floor-aligned to RTE_IXGBE_DESCS_PER_LOOP */ nb_pkts = RTE_ALIGN_FLOOR(nb_pkts, RTE_IXGBE_DESCS_PER_LOOP); @@ -556,13 +551,11 @@ _recv_raw_pkts_vec(struct ixgbe_rx_queue *rxq, struct rte_mbuf **rx_pkts, return nb_pkts_recd; } -/* +/** * vPMD receive routine, only accept(nb_pkts >= RTE_IXGBE_DESCS_PER_LOOP) * * Notice: * - nb_pkts < RTE_IXGBE_DESCS_PER_LOOP, just return no packet - * - nb_pkts > RTE_IXGBE_MAX_RX_BURST, only scan RTE_IXGBE_MAX_RX_BURST - * numbers of DD bit * - floor align nb_pkts to a RTE_IXGBE_DESC_PER_LOOP power-of-two */ uint16_t @@ -572,18 +565,16 @@ ixgbe_recv_pkts_vec(void *rx_queue, struct rte_mbuf **rx_pkts, return _recv_raw_pkts_vec(rx_queue, rx_pkts, nb_pkts, NULL); } -/* +/** * vPMD receive routine that reassembles scattered packets * * Notice: * - nb_pkts < RTE_IXGBE_DESCS_PER_LOOP, just return no packet - * - nb_pkts > RTE_IXGBE_MAX_RX_BURST, only scan RTE_IXGBE_MAX_RX_BURST - * numbers of DD bit * - floor align nb_pkts to a RTE_IXGBE_DESC_PER_LOOP power-of-two */ -uint16_t -ixgbe_recv_scattered_pkts_vec(void *rx_queue, struct rte_mbuf **rx_pkts, - uint16_t nb_pkts) +static uint16_t +ixgbe_recv_scattered_burst_vec(void *rx_queue, struct rte_mbuf **rx_pkts, + uint16_t nb_pkts) { struct ixgbe_rx_queue *rxq = rx_queue; uint8_t split_flags[RTE_IXGBE_MAX_RX_BURST] = {0}; @@ -615,6 +606,32 @@ ixgbe_recv_scattered_pkts_vec(void *rx_queue, struct rte_mbuf **rx_pkts, &split_flags[i]); } +/** + * vPMD receive routine that reassembles scattered packets. + */ +uint16_t +ixgbe_recv_scattered_pkts_vec(void *rx_queue, struct rte_mbuf **rx_pkts, + uint16_t nb_pkts) +{ + uint16_t retval = 0; + + while (nb_pkts > RTE_IXGBE_MAX_RX_BURST) { + uint16_t burst; + + burst = ixgbe_recv_scattered_burst_vec(rx_queue, + rx_pkts + retval, + RTE_IXGBE_MAX_RX_BURST); + retval += burst; + nb_pkts -= burst; + if (burst < RTE_IXGBE_MAX_RX_BURST) + return retval; + } + + return retval + ixgbe_recv_scattered_burst_vec(rx_queue, + rx_pkts + retval, + nb_pkts); +} + static inline void vtx1(volatile union ixgbe_adv_tx_desc *txdp, struct rte_mbuf *pkt, uint64_t flags)