hi
i just want to have something like tcp layer sitting below inet layer.
so that i can directly offload everything to NIC
and i want it to be placed dynamically. so depending on the nic i can
offload the feature or can make it normal flow.
i.e. both layer should exist and normal functionality should not break.
this code is in af_inet.c
static struct inet_protosw inetsw_array[] =
{
{
.type = SOCK_STREAM,
.protocol = IPPROTO_TCP,
.prot = &tcp_prot,
.ops = &inet_stream_ops,
.capability = -1,
.no_check = 0,
.flags = INET_PROTOSW_PERMANENT |
INET_PROTOSW_ICSK,
},
{
.type = SOCK_DGRAM,
.protocol = IPPROTO_UDP,
.prot = &udp_prot,
.ops = &inet_dgram_ops,
.capability = -1,
.no_check = UDP_CSUM_DEFAULT,
.flags = INET_PROTOSW_PERMANENT,
},
{
.type = SOCK_RAW,
.protocol = IPPROTO_IP, /* wild card */
.prot = &raw_prot,
.ops = &inet_sockraw_ops,
.capability = CAP_NET_RAW,
.no_check = UDP_CSUM_DEFAULT,
.flags = INET_PROTOSW_REUSE,
}
};
i was just going through the code i found that if i can regsiter above
kind of registration dynamically i will be able to do that.
i have tried to do that but since normal tcp registered this at boot
up time i am not able to unregister this dynamically
so is it possible to unregister tcp and register my protocol dynamically.
thanks
TEJ
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