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Gerrit Renker 4a5409a5a8 [DCCP]: Twice the wrong reset code in receiving connection-Requests ... This fixes two bugs in processing of connection-Requests in v{4,6}_conn_request: 1. Due to using the variable `reset_code', the Reset code generated internally by dccp_parse_options() is overwritten with the initialised value ("Too Busy") of reset_code, which is not what is intended. 2. When receiving a connection-Request on a multicast or broadcast address, no Reset should be generated, to avoid storms of such packets. Instead of jumping to the `drop' label, the v{4,6}_conn_request functions now return 0. Below is why in my understanding this is correct: When the conn_request function returns < 0, then the caller, dccp_rcv_state_process(), returns 1. In all instances where dccp_rcv_state_process is called (dccp_v4_do_rcv, dccp_v6_do_rcv, and dccp_child_process), a return value of != 0 from dccp_rcv_state_process() means that a Reset is generated. If on the other hand the conn_request function returns 0, the packet is discarded and no Reset is generated. Note: There may be a related problem when sending the Response, due to the following. if (dccp_v6_send_response(sk, req, NULL)) goto drop_and_free; /* ... */ drop_and_free: return -1; In this case, if send_response fails due to transmission errors, the next thing that is generated is a Reset with a code "Too Busy". I haven't been able to conjure up such a condition, but it might be good to change the behaviour here also (not done by this patch). Signed-off-by: Gerrit Renker <gerrit@erg.abdn.ac.uk> Signed-off-by: Ian McDonald <ian.mcdonald@jandi.co.nz> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>		18 years ago
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9p	9p: fix bad error path in conversion routines	18 years ago
802	[NET]: Move hardware header operations out of netdevice.	18 years ago
8021q	[NET]: Move hardware header operations out of netdevice.	18 years ago
appletalk	[NET]: Move hardware header operations out of netdevice.	18 years ago
atm	[ATM] net/atm/lec.c: printk warning fix	18 years ago
ax25	[NET]: Move hardware header operations out of netdevice.	18 years ago
bluetooth	[BLUETOOTH]: Make hidp_setup_input() return int	18 years ago
bridge	[NETFILTER]: bridge: remove broken netfilter binary sysctls	18 years ago
core	[NETNS]: Simplify the network namespace list locking rules.	18 years ago
dccp	[DCCP]: Twice the wrong reset code in receiving connection-Requests	18 years ago
decnet	[NET]: Wrap netdevice hardware header creation.	18 years ago
econet	[NET]: Wrap netdevice hardware header creation.	18 years ago
ethernet	[NET]: Move hardware header operations out of netdevice.	18 years ago
ieee80211	[IEEE80211]: Fix softmac lockdep reports.	18 years ago
ipv4	[TCP]: Wrap-safed reordering detection FRTO check	18 years ago
ipv6	[NETFILTER]: ctnetlink: use netlink policy	18 years ago
ipx	[NET]: Make the device list and device lookups per namespace.	18 years ago
irda	[NET]: Introduce and use print_mac() and DECLARE_MAC_BUF()	18 years ago
iucv	[NET]: Make socket creation namespace safe.	18 years ago
key	[NET]: Make socket creation namespace safe.	18 years ago
lapb	[PATCH] remove many unneeded #includes of sched.h	18 years ago
llc	[NET]: Introduce and use print_mac() and DECLARE_MAC_BUF()	18 years ago
mac80211	[MAC80211]: add sta_notify callback	18 years ago
netfilter	[NETFILTER]: x_tables: add xt_time match	18 years ago
netlabel	[NETLINK]: Introduce nested and byteorder flag to netlink attribute	18 years ago
netlink	[NETLINK]: the temp variable name max is ambiguous	18 years ago
netrom	[NET]: Move hardware header operations out of netdevice.	18 years ago
packet	[NET]: Move hardware header operations out of netdevice.	18 years ago
rfkill	[RFKILL]: Add support for hardware-only rfkill buttons	18 years ago
rose	[NET]: Move hardware header operations out of netdevice.	18 years ago
rxrpc	[NET]: Make socket creation namespace safe.	18 years ago
sched	[PKT_SCHED]: Add stateless NAT	18 years ago
sctp	[SCTP]: Tie ADD-IP and AUTH functionality as required by spec.	18 years ago
sunrpc	[NET]: Make /proc/net per network namespace	18 years ago
tipc	[NET]: Wrap netdevice hardware header creation.	18 years ago
unix	[NET]: Make socket creation namespace safe.	18 years ago
wanrouter	[NET]: Make /proc/net per network namespace	18 years ago
wireless	[WIRELESS]: Fix Kconfig.	18 years ago
x25	[NET]: Make the device list and device lookups per namespace.	18 years ago
xfrm	[NET]: Make the loopback device per network namespace.	18 years ago
Kconfig	[NET]: Add network namespace clone & unshare support.	18 years ago
Makefile	9p: Reorganization of 9p file system code	18 years ago
TUNABLE	…
compat.c	O_CLOEXEC for SCM_RIGHTS	18 years ago
nonet.c	…
socket.c	[NET]: Make the device list and device lookups per namespace.	18 years ago
sysctl_net.c	Remove obsolete #include <linux/config.h>	19 years ago