matthias
/
iproute2
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

ila: added csum neutral support to ipila 

Add checksum neutral to ip ila configuration. This control whether
the C-bit is interpreted as checksum neutral bit.

Signed-off-by: Tom Herbert <tom@quantonium.net>
This commit is contained in:
Tom Herbert 2017-11-22 12:05:34 -08:00 committed by Stephen Hemminger
parent d3357cfc7b
commit 2a1bc2fb7c
1 changed files with 55 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

57
ip/ipila.c
View File

@ -26,7 +26,9 @@
static void usage(void)
{
fprintf(stderr, "Usage: ip ila add loc_match LOCATOR_MATCH "
"loc LOCATOR [ dev DEV ]\n");
"loc LOCATOR [ dev DEV ] "
"[ csum-mode { adj-transport | neutral-map | "
"no-action } ]\n");
fprintf(stderr, " ip ila del loc_match LOCATOR_MATCH "
"[ loc LOCATOR ] [ dev DEV ]\n");
fprintf(stderr, " ip ila list\n");
@ -48,6 +50,32 @@ static int genl_family = -1;
#define ADDR_BUF_SIZE sizeof("xxxx:xxxx:xxxx:xxxx")
static char *ila_csum_mode2name(__u8 csum_mode)
{
switch (csum_mode) {
case ILA_CSUM_ADJUST_TRANSPORT:
return "adj-transport";
case ILA_CSUM_NEUTRAL_MAP:
return "neutral-map";
case ILA_CSUM_NO_ACTION:
return "no-action";
default:
return "unknown";
}
}
static int ila_csum_name2mode(char *name)
{
if (strcmp(name, "adj-transport") == 0)
return ILA_CSUM_ADJUST_TRANSPORT;
else if (strcmp(name, "neutral-map") == 0)
return ILA_CSUM_NEUTRAL_MAP;
else if (strcmp(name, "no-action") == 0)
return ILA_CSUM_NO_ACTION;
else
return -1;
}
static int print_addr64(__u64 addr, char *buff, size_t len)
{
__u16 *words = (__u16 *)&addr;
@ -113,9 +141,19 @@ static int print_ila_mapping(const struct sockaddr_nl *who,
print_ila_locid(fp, ILA_ATTR_LOCATOR, tb, ADDR_BUF_SIZE);
if (tb[ILA_ATTR_IFINDEX])
fprintf(fp, "%s", ll_index_to_name(rta_getattr_u32(tb[ILA_ATTR_IFINDEX])));
fprintf(fp, "%-16s",
ll_index_to_name(rta_getattr_u32(
tb[ILA_ATTR_IFINDEX])));
else
fprintf(fp, "%-16s", "-");
if (tb[ILA_ATTR_CSUM_MODE])
fprintf(fp, "%s",
ila_csum_mode2name(rta_getattr_u8(
tb[ILA_ATTR_CSUM_MODE])));
else
fprintf(fp, "-");
fprintf(fp, "\n");
return 0;
@ -152,9 +190,11 @@ static int ila_parse_opt(int argc, char **argv, struct nlmsghdr *n,
__u64 locator = 0;
__u64 locator_match = 0;
int ifindex = 0;
int csum_mode = 0;
bool loc_set = false;
bool loc_match_set = false;
bool ifindex_set = false;
bool csum_mode_set = false;
while (argc > 0) {
if (!matches(*argv, "loc")) {
@ -174,6 +214,16 @@ static int ila_parse_opt(int argc, char **argv, struct nlmsghdr *n,
return -1;
}
loc_match_set = true;
} else if (!matches(*argv, "csum-mode")) {
NEXT_ARG();
csum_mode = ila_csum_name2mode(*argv);
if (csum_mode < 0) {
fprintf(stderr, "Bad csum-mode: %s\n",
*argv);
return -1;
}
csum_mode_set = true;
} else if (!matches(*argv, "dev")) {
NEXT_ARG();
@ -211,6 +261,9 @@ static int ila_parse_opt(int argc, char **argv, struct nlmsghdr *n,
if (ifindex_set)
addattr32(n, 1024, ILA_ATTR_IFINDEX, ifindex);
if (csum_mode_set)
addattr8(n, 1024, ILA_ATTR_CSUM_MODE, csum_mode);
return 0;
}