X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=drivers%2Fnet%2Fi40e%2Fi40e_rxtx_vec_altivec.c;h=1ad74646d6a954821405b4b9e2088e2ec568aa97;hb=ed9726ce83eb7562b3dcfaf0ee10647ed816ae4a;hp=6862a017e1bead082460ed3be214dc3ca69308c6;hpb=f5bf02df3145f95b1ee8ed9dee67f4222ac42c8c;p=dpdk.git diff --git a/drivers/net/i40e/i40e_rxtx_vec_altivec.c b/drivers/net/i40e/i40e_rxtx_vec_altivec.c index 6862a017e1..1ad74646d6 100644 --- a/drivers/net/i40e/i40e_rxtx_vec_altivec.c +++ b/drivers/net/i40e/i40e_rxtx_vec_altivec.c @@ -4,7 +4,7 @@ */ #include -#include +#include #include #include "base/i40e_prototype.h" @@ -132,10 +132,10 @@ desc_to_olflags_v(vector unsigned long descs[4], struct rte_mbuf **rx_pkts) PKT_RX_IP_CKSUM_BAD, PKT_RX_L4_CKSUM_BAD, PKT_RX_L4_CKSUM_BAD | PKT_RX_IP_CKSUM_BAD, - PKT_RX_EIP_CKSUM_BAD, - PKT_RX_EIP_CKSUM_BAD | PKT_RX_IP_CKSUM_BAD, - PKT_RX_EIP_CKSUM_BAD | PKT_RX_L4_CKSUM_BAD, - PKT_RX_EIP_CKSUM_BAD | PKT_RX_L4_CKSUM_BAD + PKT_RX_OUTER_IP_CKSUM_BAD, + PKT_RX_OUTER_IP_CKSUM_BAD | PKT_RX_IP_CKSUM_BAD, + PKT_RX_OUTER_IP_CKSUM_BAD | PKT_RX_L4_CKSUM_BAD, + PKT_RX_OUTER_IP_CKSUM_BAD | PKT_RX_L4_CKSUM_BAD | PKT_RX_IP_CKSUM_BAD, 0, 0, 0, 0, 0, 0, 0, 0}; @@ -188,11 +188,13 @@ desc_to_ptype_v(vector unsigned long descs[4], struct rte_mbuf **rx_pkts, ptype_tbl[(*(vector unsigned char *)&ptype1)[8]]; } - /* Notice: - * - nb_pkts < RTE_I40E_DESCS_PER_LOOP, just return no packet - * - nb_pkts > RTE_I40E_VPMD_RX_BURST, only scan RTE_I40E_VPMD_RX_BURST - * numbers of DD bits - */ +/** + * vPMD raw receive routine, only accept(nb_pkts >= RTE_I40E_DESCS_PER_LOOP) + * + * Notice: + * - nb_pkts < RTE_I40E_DESCS_PER_LOOP, just return no packet + * - floor align nb_pkts to a RTE_I40E_DESCS_PER_LOOP power-of-two + */ static inline uint16_t _recv_raw_pkts_vec(struct i40e_rx_queue *rxq, struct rte_mbuf **rx_pkts, uint16_t nb_pkts, uint8_t *split_packet) @@ -214,9 +216,6 @@ _recv_raw_pkts_vec(struct i40e_rx_queue *rxq, struct rte_mbuf **rx_pkts, }; vector unsigned long dd_check, eop_check; - /* nb_pkts shall be less equal than RTE_I40E_MAX_RX_BURST */ - nb_pkts = RTE_MIN(nb_pkts, RTE_I40E_MAX_RX_BURST); - /* nb_pkts has to be floor-aligned to RTE_I40E_DESCS_PER_LOOP */ nb_pkts = RTE_ALIGN_FLOOR(nb_pkts, RTE_I40E_DESCS_PER_LOOP); @@ -459,15 +458,15 @@ i40e_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_I40E_DESCS_PER_LOOP, just return no packet - * - nb_pkts > RTE_I40E_VPMD_RX_BURST, only scan RTE_I40E_VPMD_RX_BURST - * numbers of DD bits - */ -uint16_t -i40e_recv_scattered_pkts_vec(void *rx_queue, struct rte_mbuf **rx_pkts, - uint16_t nb_pkts) +/** + * vPMD receive routine that reassembles single burst of 32 scattered packets + * + * Notice: + * - nb_pkts < RTE_I40E_DESCS_PER_LOOP, just return no packet + */ +static uint16_t +i40e_recv_scattered_burst_vec(void *rx_queue, struct rte_mbuf **rx_pkts, + uint16_t nb_pkts) { struct i40e_rx_queue *rxq = rx_queue; uint8_t split_flags[RTE_I40E_VPMD_RX_BURST] = {0}; @@ -500,6 +499,32 @@ i40e_recv_scattered_pkts_vec(void *rx_queue, struct rte_mbuf **rx_pkts, &split_flags[i]); } +/** + * vPMD receive routine that reassembles scattered packets. + */ +uint16_t +i40e_recv_scattered_pkts_vec(void *rx_queue, struct rte_mbuf **rx_pkts, + uint16_t nb_pkts) +{ + uint16_t retval = 0; + + while (nb_pkts > RTE_I40E_VPMD_RX_BURST) { + uint16_t burst; + + burst = i40e_recv_scattered_burst_vec(rx_queue, + rx_pkts + retval, + RTE_I40E_VPMD_RX_BURST); + retval += burst; + nb_pkts -= burst; + if (burst < RTE_I40E_VPMD_RX_BURST) + return retval; + } + + return retval + i40e_recv_scattered_burst_vec(rx_queue, + rx_pkts + retval, + nb_pkts); +} + static inline void vtx1(volatile struct i40e_tx_desc *txdp, struct rte_mbuf *pkt, uint64_t flags)