X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=lib%2Flibrte_lpm%2Frte_lpm.h;h=906ec44830621580577cb83cee26bb3d17f87dba;hb=ae65004fa7d2e72c1d640148eba1dbb6c52aacf1;hp=21550444d1493f36c3b6b47e4e1f438f488534ea;hpb=0d440d081ca1b5cccbb3b991908842c70731e460;p=dpdk.git diff --git a/lib/librte_lpm/rte_lpm.h b/lib/librte_lpm/rte_lpm.h index 21550444d1..906ec44830 100644 --- a/lib/librte_lpm/rte_lpm.h +++ b/lib/librte_lpm/rte_lpm.h @@ -88,7 +88,7 @@ struct rte_lpm_tbl_entry_v20 { */ uint8_t valid_group :1; uint8_t depth :6; /**< Rule depth. */ -}; +} __rte_aligned(sizeof(uint16_t)); __extension__ struct rte_lpm_tbl_entry { @@ -121,7 +121,7 @@ struct rte_lpm_tbl_entry_v20 { uint8_t group_idx; uint8_t next_hop; }; -}; +} __rte_aligned(sizeof(uint16_t)); __extension__ struct rte_lpm_tbl_entry { @@ -354,6 +354,10 @@ rte_lpm_lookup(struct rte_lpm *lpm, uint32_t ip, uint32_t *next_hop) ptbl = (const uint32_t *)(&lpm->tbl24[tbl24_index]); tbl_entry = *ptbl; + /* Memory ordering is not required in lookup. Because dataflow + * dependency exists, compiler or HW won't be able to re-order + * the operations. + */ /* Copy tbl8 entry (only if needed) */ if (unlikely((tbl_entry & RTE_LPM_VALID_EXT_ENTRY_BITMASK) == RTE_LPM_VALID_EXT_ENTRY_BITMASK)) { @@ -442,7 +446,7 @@ rte_lpm_lookup_bulk_func(const struct rte_lpm *lpm, const uint32_t *ips, * @param hop * Next hop of the most specific rule found for IP (valid on lookup hit only). * This is an 4 elements array of two byte values. - * If the lookup was succesfull for the given IP, then least significant byte + * If the lookup was successful for the given IP, then least significant byte * of the corresponding element is the actual next hop and the most * significant byte is zero. * If the lookup for the given IP failed, then corresponding element would