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| author | John Baldwin <jhb@FreeBSD.org> | 2024-05-02 23:34:36 +0000 |
|---|---|---|
| committer | John Baldwin <jhb@FreeBSD.org> | 2024-05-02 23:38:30 +0000 |
| commit | 51346bd594585614bc99f29a124a2473df3155bd (patch) | |
| tree | 1b605c951fd49efb27ff86383cd97115fb2294a3 | |
| parent | 25bad5a2dac8fb79063f79b48cb6498baf8e54ff (diff) | |
| download | src-51346bd594585614bc99f29a124a2473df3155bd.tar.gz src-51346bd594585614bc99f29a124a2473df3155bd.zip | |
mbuf: Add EXT_CTL for mbufs backed by a CTL backend buffer
This is somewhat similar to EXT_NET_DRV, but CTL isn't a network
driver.
Sponsored by: Chelsio Communications
Differential Revision: https://reviews.freebsd.org/D44725
| -rw-r--r-- | sys/kern/kern_mbuf.c | 1 | ||||
| -rw-r--r-- | sys/sys/mbuf.h | 1 |
2 files changed, 2 insertions, 0 deletions
diff --git a/sys/kern/kern_mbuf.c b/sys/kern/kern_mbuf.c index 0df807e47bd6..44b6584f7331 100644 --- a/sys/kern/kern_mbuf.c +++ b/sys/kern/kern_mbuf.c @@ -1212,6 +1212,7 @@ mb_free_ext(struct mbuf *m) break; case EXT_SFBUF: case EXT_NET_DRV: + case EXT_CTL: case EXT_MOD_TYPE: case EXT_DISPOSABLE: KASSERT(mref->m_ext.ext_free != NULL, diff --git a/sys/sys/mbuf.h b/sys/sys/mbuf.h index e13ba39c27aa..741ae1b7c387 100644 --- a/sys/sys/mbuf.h +++ b/sys/sys/mbuf.h @@ -593,6 +593,7 @@ m_epg_pagelen(const struct mbuf *m, int pidx, int pgoff) #define EXT_PACKET 6 /* mbuf+cluster from packet zone */ #define EXT_MBUF 7 /* external mbuf reference */ #define EXT_RXRING 8 /* data in NIC receive ring */ +#define EXT_CTL 9 /* buffer from a ctl(4) backend */ #define EXT_VENDOR1 224 /* for vendor-internal use */ #define EXT_VENDOR2 225 /* for vendor-internal use */ |