X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=lib%2Flibrte_net%2Frte_ether.h;h=e069dc7fe0227b467d8424fde133a658d45e37ba;hb=0e8d1ea327d4bd45fd24948be45dcc6716473753;hp=7be9b4890af7266cc616875c09685ad299f511de;hpb=0c9da7555da8c8373dfd69f798f832723ae6de71;p=dpdk.git diff --git a/lib/librte_net/rte_ether.h b/lib/librte_net/rte_ether.h index 7be9b4890a..e069dc7fe0 100644 --- a/lib/librte_net/rte_ether.h +++ b/lib/librte_net/rte_ether.h @@ -59,7 +59,7 @@ extern "C" { */ struct rte_ether_addr { uint8_t addr_bytes[RTE_ETHER_ADDR_LEN]; /**< Addr bytes in tx order */ -} __attribute__((__packed__)); +} __attribute__((aligned(2))); #define RTE_ETHER_LOCAL_ADMIN_ADDR 0x02 /**< Locally assigned Eth. address. */ #define RTE_ETHER_GROUP_ADDR 0x01 /**< Multicast or broadcast Eth. address. */ @@ -81,11 +81,10 @@ struct rte_ether_addr { static inline int rte_is_same_ether_addr(const struct rte_ether_addr *ea1, const struct rte_ether_addr *ea2) { - int i; - for (i = 0; i < RTE_ETHER_ADDR_LEN; i++) - if (ea1->addr_bytes[i] != ea2->addr_bytes[i]) - return 0; - return 1; + const uint16_t *w1 = (const uint16_t *)ea1; + const uint16_t *w2 = (const uint16_t *)ea2; + + return ((w1[0] ^ w2[0]) | (w1[1] ^ w2[1]) | (w1[2] ^ w2[2])) == 0; } /** @@ -100,11 +99,9 @@ static inline int rte_is_same_ether_addr(const struct rte_ether_addr *ea1, */ static inline int rte_is_zero_ether_addr(const struct rte_ether_addr *ea) { - int i; - for (i = 0; i < RTE_ETHER_ADDR_LEN; i++) - if (ea->addr_bytes[i] != 0x00) - return 0; - return 1; + const uint16_t *w = (const uint16_t *)ea; + + return (w[0] | w[1] | w[2]) == 0; } /** @@ -149,7 +146,7 @@ static inline int rte_is_multicast_ether_addr(const struct rte_ether_addr *ea) */ static inline int rte_is_broadcast_ether_addr(const struct rte_ether_addr *ea) { - const unaligned_uint16_t *ea_words = (const unaligned_uint16_t *)ea; + const uint16_t *ea_words = (const uint16_t *)ea; return (ea_words[0] == 0xFFFF && ea_words[1] == 0xFFFF && ea_words[2] == 0xFFFF); @@ -207,15 +204,8 @@ static inline int rte_is_valid_assigned_ether_addr(const struct rte_ether_addr * * @param addr * A pointer to Ethernet address. */ -static inline void rte_eth_random_addr(uint8_t *addr) -{ - uint64_t rand = rte_rand(); - uint8_t *p = (uint8_t *)&rand; - - rte_memcpy(addr, p, RTE_ETHER_ADDR_LEN); - addr[0] &= (uint8_t)~RTE_ETHER_GROUP_ADDR; /* clear multicast bit */ - addr[0] |= RTE_ETHER_LOCAL_ADMIN_ADDR; /* set local assignment bit */ -} +void +rte_eth_random_addr(uint8_t *addr); /** * Fast copy an Ethernet address. @@ -254,18 +244,26 @@ static inline void rte_ether_addr_copy(const struct rte_ether_addr *ea_from, * @param eth_addr * A pointer to a ether_addr structure. */ -static inline void +void rte_ether_format_addr(char *buf, uint16_t size, - const struct rte_ether_addr *eth_addr) -{ - snprintf(buf, size, "%02X:%02X:%02X:%02X:%02X:%02X", - eth_addr->addr_bytes[0], - eth_addr->addr_bytes[1], - eth_addr->addr_bytes[2], - eth_addr->addr_bytes[3], - eth_addr->addr_bytes[4], - eth_addr->addr_bytes[5]); -} + const struct rte_ether_addr *eth_addr); +/** + * Convert string with Ethernet address to an ether_addr. + * + * @param str + * A pointer to buffer contains the formatted MAC address. + * The supported formats are: + * XX:XX:XX:XX:XX:XX or XXXX:XXXX:XXXX + * where XX is a hex digit: 0-9, a-f, or A-F. + * @param eth_addr + * A pointer to a ether_addr structure. + * @return + * 0 if successful + * -1 and sets rte_errno if invalid string + */ +__rte_experimental +int +rte_ether_unformat_addr(const char *str, struct rte_ether_addr *eth_addr); /** * Ethernet header: Contains the destination address, source address @@ -275,7 +273,7 @@ struct rte_ether_hdr { struct rte_ether_addr d_addr; /**< Destination address. */ struct rte_ether_addr s_addr; /**< Source address. */ uint16_t ether_type; /**< Frame type. */ -} __attribute__((__packed__)); +} __attribute__((aligned(2))); /** * Ethernet VLAN Header. @@ -287,15 +285,7 @@ struct rte_vlan_hdr { uint16_t eth_proto;/**< Ethernet type of encapsulated frame. */ } __attribute__((__packed__)); -/** - * VXLAN protocol header. - * Contains the 8-bit flag, 24-bit VXLAN Network Identifier and - * Reserved fields (24 bits and 8 bits) - */ -struct rte_vxlan_hdr { - uint32_t vx_flags; /**< flag (8) + Reserved (24). */ - uint32_t vx_vni; /**< VNI (24) + Reserved (8). */ -} __attribute__((__packed__)); + /* Ethernet frame types */ #define RTE_ETHER_TYPE_IPV4 0x0800 /**< IPv4 Protocol. */ @@ -304,8 +294,8 @@ struct rte_vxlan_hdr { #define RTE_ETHER_TYPE_RARP 0x8035 /**< Reverse Arp Protocol. */ #define RTE_ETHER_TYPE_VLAN 0x8100 /**< IEEE 802.1Q VLAN tagging. */ #define RTE_ETHER_TYPE_QINQ 0x88A8 /**< IEEE 802.1ad QinQ tagging. */ -#define ETHER_TYPE_PPPOE_DISCOVERY 0x8863 /**< PPPoE Discovery Stage. */ -#define ETHER_TYPE_PPPOE_SESSION 0x8864 /**< PPPoE Session Stage. */ +#define RTE_ETHER_TYPE_PPPOE_DISCOVERY 0x8863 /**< PPPoE Discovery Stage. */ +#define RTE_ETHER_TYPE_PPPOE_SESSION 0x8864 /**< PPPoE Session Stage. */ #define RTE_ETHER_TYPE_ETAG 0x893F /**< IEEE 802.1BR E-Tag. */ #define RTE_ETHER_TYPE_1588 0x88F7 /**< IEEE 802.1AS 1588 Precise Time Protocol. */ @@ -315,35 +305,6 @@ struct rte_vxlan_hdr { #define RTE_ETHER_TYPE_MPLS 0x8847 /**< MPLS ethertype. */ #define RTE_ETHER_TYPE_MPLSM 0x8848 /**< MPLS multicast ethertype. */ -#define RTE_ETHER_VXLAN_HLEN \ - (sizeof(struct rte_udp_hdr) + sizeof(struct rte_vxlan_hdr)) - /**< VXLAN tunnel header length. */ - -/** - * VXLAN-GPE protocol header (draft-ietf-nvo3-vxlan-gpe-05). - * Contains the 8-bit flag, 8-bit next-protocol, 24-bit VXLAN Network - * Identifier and Reserved fields (16 bits and 8 bits). - */ -struct rte_vxlan_gpe_hdr { - uint8_t vx_flags; /**< flag (8). */ - uint8_t reserved[2]; /**< Reserved (16). */ - uint8_t proto; /**< next-protocol (8). */ - uint32_t vx_vni; /**< VNI (24) + Reserved (8). */ -} __attribute__((__packed__)); - -/* VXLAN-GPE next protocol types */ -#define RTE_VXLAN_GPE_TYPE_IPV4 1 /**< IPv4 Protocol. */ -#define RTE_VXLAN_GPE_TYPE_IPV6 2 /**< IPv6 Protocol. */ -#define RTE_VXLAN_GPE_TYPE_ETH 3 /**< Ethernet Protocol. */ -#define RTE_VXLAN_GPE_TYPE_NSH 4 /**< NSH Protocol. */ -#define RTE_VXLAN_GPE_TYPE_MPLS 5 /**< MPLS Protocol. */ -#define RTE_VXLAN_GPE_TYPE_GBP 6 /**< GBP Protocol. */ -#define RTE_VXLAN_GPE_TYPE_VBNG 7 /**< vBNG Protocol. */ - -#define RTE_ETHER_VXLAN_GPE_HLEN (sizeof(struct rte_udp_hdr) + \ - sizeof(struct rte_vxlan_gpe_hdr)) -/**< VXLAN-GPE tunnel header length. */ - /** * Extract VLAN tag information into mbuf * @@ -393,15 +354,8 @@ static inline int rte_vlan_insert(struct rte_mbuf **m) struct rte_vlan_hdr *vh; /* Can't insert header if mbuf is shared */ - if (rte_mbuf_refcnt_read(*m) > 1) { - struct rte_mbuf *copy; - - copy = rte_pktmbuf_clone(*m, (*m)->pool); - if (unlikely(copy == NULL)) - return -ENOMEM; - rte_pktmbuf_free(*m); - *m = copy; - } + if (!RTE_MBUF_DIRECT(*m) || rte_mbuf_refcnt_read(*m) > 1) + return -EINVAL; oh = rte_pktmbuf_mtod(*m, struct rte_ether_hdr *); nh = (struct rte_ether_hdr *) @@ -417,6 +371,11 @@ static inline int rte_vlan_insert(struct rte_mbuf **m) (*m)->ol_flags &= ~(PKT_RX_VLAN_STRIPPED | PKT_TX_VLAN); + if ((*m)->ol_flags & PKT_TX_TUNNEL_MASK) + (*m)->outer_l2_len += sizeof(struct rte_vlan_hdr); + else + (*m)->l2_len += sizeof(struct rte_vlan_hdr); + return 0; }