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ila: support to configure checksum neutral-map-auto 

Configuration support in both ip ila and ip LWT for checksum
neutral-map-auto. This is a mode of ILA where checksum
neutral mapping is assumed for packets (there is no C-bit
in the identifier to indicate checksum neutral).

Signed-off-by: Tom Herbert <tom@quantonium.net>
This commit is contained in:
Tom Herbert 2017-11-22 12:05:35 -08:00 committed by Stephen Hemminger
parent 2a1bc2fb7c
commit 1177552398
2 changed files with 9 additions and 3 deletions
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8
ip/ipila.c
View File

@ -28,7 +28,7 @@ static void usage(void)
fprintf(stderr, "Usage: ip ila add loc_match LOCATOR_MATCH " fprintf(stderr, "Usage: ip ila add loc_match LOCATOR_MATCH "
"loc LOCATOR [ dev DEV ] " "loc LOCATOR [ dev DEV ] "
"[ csum-mode { adj-transport | neutral-map | " "[ csum-mode { adj-transport | neutral-map | "
"no-action } ]\n"); "neutral-map-auto | no-action } ]\n");
fprintf(stderr, " ip ila del loc_match LOCATOR_MATCH " fprintf(stderr, " ip ila del loc_match LOCATOR_MATCH "
"[ loc LOCATOR ] [ dev DEV ]\n"); "[ loc LOCATOR ] [ dev DEV ]\n");
fprintf(stderr, " ip ila list\n"); fprintf(stderr, " ip ila list\n");
@ -59,6 +59,8 @@ static char *ila_csum_mode2name(__u8 csum_mode)
return "neutral-map"; return "neutral-map";
case ILA_CSUM_NO_ACTION: case ILA_CSUM_NO_ACTION:
return "no-action"; return "no-action";
case ILA_CSUM_NEUTRAL_MAP_AUTO:
return "neutral-map-auto";
default: default:
return "unknown"; return "unknown";
} }
@ -70,8 +72,8 @@ static int ila_csum_name2mode(char *name)
return ILA_CSUM_ADJUST_TRANSPORT; return ILA_CSUM_ADJUST_TRANSPORT;
else if (strcmp(name, "neutral-map") == 0) else if (strcmp(name, "neutral-map") == 0)
return ILA_CSUM_NEUTRAL_MAP; return ILA_CSUM_NEUTRAL_MAP;
else if (strcmp(name, "no-action") == 0) else if (strcmp(name, "neutral-map-auto") == 0)
return ILA_CSUM_NO_ACTION; return ILA_CSUM_NEUTRAL_MAP_AUTO;
else else
return -1; return -1;
} }

4
ip/iproute_lwtunnel.c
View File

@ -288,6 +288,8 @@ static char *ila_csum_mode2name(__u8 csum_mode)
return "neutral-map"; return "neutral-map";
case ILA_CSUM_NO_ACTION: case ILA_CSUM_NO_ACTION:
return "no-action"; return "no-action";
case ILA_CSUM_NEUTRAL_MAP_AUTO:
return "neutral-map-auto";
default: default:
return "unknown"; return "unknown";
} }
@ -301,6 +303,8 @@ static int ila_csum_name2mode(char *name)
return ILA_CSUM_NEUTRAL_MAP; return ILA_CSUM_NEUTRAL_MAP;
else if (strcmp(name, "no-action") == 0) else if (strcmp(name, "no-action") == 0)
return ILA_CSUM_NO_ACTION; return ILA_CSUM_NO_ACTION;
else if (strcmp(name, "neutral-map-auto") == 0)
return ILA_CSUM_NEUTRAL_MAP_AUTO;
else else
return -1; return -1;
} }