On Fri, 16 Oct 2026 21:58:48 +0200 Sriram Yagnaraman <[email protected]> wrote:
> This series fixes a set of error-path and lifecycle bugs in the memif > PMD and adds a unit test for the driver. > > The first eight patches are fixes: > > - guard eth_memif_tx() against an empty burst (nb_pkts == 0); > - close file descriptor 0 instead of leaking it; > - do not close the EAL-owned memseg fd in zero-copy mode; > - free the MAC address allocated during probe on failure; > - unwind a partially-created device on create failure; > - refuse connections on a stopped server so it does not come up on a > stopped port; > - disconnect on close so a stopped server's control channel is not > leaked, and make memif_disconnect() safe on a never-started device; > - fix eth_memif_tx_zc() returning 65535 on an invalid interrupt fd. > > The last patch adds a memif PMD unit test (app/test, memif_pmd_autotest): > a server/client vdev pair over a loopback socket covering dev_info, link > state, stats, single-segment loopback (slow and fast path), multi-segment > loopback across a ring wrap, stop/start reconnect, empty Tx burst, close > without stop, and a stopped server refusing a peer. > > Verified: memif_pmd_autotest passes 11/11 (~1.4s); devtools/test-memif.sh > two-process forwarding OK; each commit builds with -Dwerror=true; > check-git-log and checkpatch are clean. > > Thanks to Stephen Hemminger and the ai-code-review bot for the reviews > that shaped this series. Applied to next-net.
