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JackDoan
e8d6be1dd9
A partial success left the remaining entries' iovecs, sockaddrs, and cmsgs fully intact, then threw them away and replanned the remainder from bufs -- doubling the packing work exactly when the socket is congested. Give sendFn a start offset so the drain resumes the same prepared array at the first unsent entry, and skip a kernel-rejected entry in place the same way. Only the GSO-disable path still replans, since its entries change shape; it now rewinds precisely to the failed run instead of the whole chunk, so entries already sent are never duplicated. New scripted tests pin the two paths that didn't exist before: a mid- chunk rejected entry (drop it, resume the rest, start offsets advance) and a mid-chunk EIO (GSO off, replay only the failed run, no dup of already-sent packets). Co-Authored-By: Claude Fable 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_014ugV2edVqoz3tBvq9J6yWp