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dpif: Move common meter checks into the dpif layer.

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Another dpif provider will soon add support for meters, so move
some of the common sanity checks up into the dpif layer so that each
provider doesn't need to re-implement them.

Signed-off-by: Justin Pettit <jpettit@ovn.org>
Acked-by: Ben Pfaff <blp@ovn.org>
This commit is contained in:
Justin Pettit
2018-07-24 21:07:04 -07:00
parent c9336012c2
commit 6508c845ad
2 changed files with 22 additions and 15 deletions
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15
lib/dpif-netdev.c
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@@ -5172,21 +5172,12 @@ dpif_netdev_meter_set(struct dpif *dpif, ofproto_meter_id *meter_id,
return EFBIG; /* Meter_id out of range. */
}
if (config->flags & ~DP_SUPPORTED_METER_FLAGS_MASK ||
!(config->flags & (OFPMF13_KBPS | OFPMF13_PKTPS))) {
if (config->flags & ~DP_SUPPORTED_METER_FLAGS_MASK) {
return EBADF; /* Unsupported flags set */
}
/* Validate bands */
if (config->n_bands == 0 || config->n_bands > MAX_BANDS) {
return EINVAL; /* Too many bands */
}
/* Validate rates */
for (i = 0; i < config->n_bands; i++) {
if (config->bands[i].rate == 0) {
return EDOM; /* rate must be non-zero */
}
if (config->n_bands > MAX_BANDS) {
return EINVAL;
}
for (i = 0; i < config->n_bands; ++i) {