diff options
Diffstat (limited to 'man/man7/packet.7')
| -rw-r--r-- | man/man7/packet.7 | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/man/man7/packet.7 b/man/man7/packet.7 index 2763275f7c..dc1144848e 100644 --- a/man/man7/packet.7 +++ b/man/man7/packet.7 @@ -109,7 +109,7 @@ flag is passed to .BR recv (2), or .BR recvfrom (2), -the real length of the packet on the wire is always returned, +the real size of the packet on the wire is always returned, even when it is longer than the buffer. .SS Address types The @@ -124,7 +124,7 @@ struct sockaddr_ll { int sll_ifindex; /* Interface number */ unsigned short sll_hatype; /* ARP hardware type */ unsigned char sll_pkttype; /* Packet type */ - unsigned char sll_halen; /* Length of address */ + unsigned char sll_halen; /* Size of address */ unsigned char sll_addr[8]; /* Physical\-layer address */ }; .EE @@ -169,7 +169,7 @@ These types make sense only for receiving. .I sll_addr .TQ .I sll_halen -contain the physical-layer (e.g., IEEE 802.3) address and its length. +contain the physical-layer (e.g., IEEE 802.3) address and its size. The exact interpretation depends on the device. .P When you send packets, it is enough to specify @@ -210,7 +210,7 @@ structure as argument: struct packet_mreq { int mr_ifindex; /* interface index */ unsigned short mr_type; /* action */ - unsigned short mr_alen; /* address length */ + unsigned short mr_alen; /* address size */ unsigned char mr_address[8]; /* physical\-layer address */ }; .EE @@ -255,8 +255,8 @@ It is defined as .EX struct tpacket_auxdata { __u32 tp_status; - __u32 tp_len; /* packet length */ - __u32 tp_snaplen; /* captured length */ + __u32 tp_len; /* packet size */ + __u32 tp_snaplen; /* captured size */ __u16 tp_mac; __u16 tp_net; __u16 tp_vlan_tci; @@ -569,7 +569,7 @@ header for a IEEE 802.3 frame. When .B ETH_P_802_3 is specified as protocol for sending the kernel creates the -802.3 frame and fills out the length field; the user has to supply the LLC +802.3 frame and fills out the size field; the user has to supply the LLC header to get a fully conforming packet. Incoming 802.3 packets are not multiplexed on the DSAP/SSAP protocol fields; instead they are supplied to the user as protocol @@ -647,7 +647,7 @@ which is 16 bytes and describes the system limit for a network interface name. This means the names of network devices longer than 14 bytes will be truncated to fit into .IR spkt_device . -All these lengths include the terminating null byte (\[aq]\[rs]0\[aq])). +All these sizes include the terminating null byte (\[aq]\[rs]0\[aq])). .P Issues from this with old code typically show up with very long interface names used by the |