[PATCH net 0/2] Prevent extreme TSO parameters from stalling TX queues
flat view
STALE5208d
SUPERSEDED
From: Ben Hutchings <hidden>
Date: 2012-07-30 17:15:06
Subsystem:
networking drivers, networking [general], networking [tcp], sfc network driver, the rest · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Neal Cardwell, Edward Cree, Linus Torvalds
Status: Superseded by v2 (posted 2012-07-31). [go to v2]
Revision v1 (2 revisions archived).
Revisions (2)
- v1 current
- v2 [diff against previous]
The following changes fix a potential DoS by peers or local users on
network interfaces using the sfc driver (and possibly others) with TSO
enabled (as it is by default). Please apply them to the net tree and
your stable update queue.
Ben.
Ben Hutchings (2):
tcp: Limit number of segments generated by GSO per skb
sfc: Correct the minimum TX queue size
drivers/net/ethernet/sfc/efx.c | 5 +++++
drivers/net/ethernet/sfc/efx.h | 11 +++++++----
drivers/net/ethernet/sfc/ethtool.c | 16 +++++++++++-----
drivers/net/ethernet/sfc/tx.c | 20 ++++++++++++++++++++
include/net/tcp.h | 3 +++
net/ipv4/tcp.c | 4 +++-
net/ipv4/tcp_output.c | 17 +++++++++--------
7 files changed, 58 insertions(+), 18 deletions(-)
--
1.7.7.6
--
Ben Hutchings, Staff Engineer, Solarflare
Not speaking for my employer; that's the marketing department's job.
They asked us to note that Solarflare product names are trademarked.