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https://github.com/openvswitch/ovs
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cb25142c50
Add support for building the in-tree kernel datapath for Linux kernels up to 3.13. There were some changes in the netlink area which required adding new compatibility code for this layer. Also, some new per-cpu stats initialization code was added. Based on patch from Kyle Mestery. Signed-off-by: Kyle Mestery <mestery@noironetworks.com> Signed-off-by: Pravin B Shelar <pshelar@nicira.com> Acked-by: Kyle Mestery <mestery@noironetworks.com>
56 lines
1.3 KiB
C
56 lines
1.3 KiB
C
#include <net/genetlink.h>
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#include <linux/version.h>
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#if LINUX_VERSION_CODE < KERNEL_VERSION(3,13,0)
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#undef genl_notify
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void rpl_genl_notify(struct rpl_genl_family *family, struct sk_buff *skb,
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struct net *net, u32 portid, u32 group,
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struct nlmsghdr *nlh, gfp_t flags)
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{
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#if LINUX_VERSION_CODE < KERNEL_VERSION(3,3,0)
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struct sock *sk = net->genl_sock;
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int report = 0;
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if (nlh)
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report = nlmsg_report(nlh);
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nlmsg_notify(sk, skb, portid, group, report, flags);
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#else
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genl_notify(skb, net, portid, group, nlh, flags);
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#endif
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}
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int rpl___genl_register_family(struct rpl_genl_family *f)
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{
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int err;
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f->compat_family.id = f->id;
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f->compat_family.hdrsize = f->hdrsize;
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strncpy(f->compat_family.name, f->name, GENL_NAMSIZ);
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f->compat_family.version = f->version;
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f->compat_family.maxattr = f->maxattr;
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f->compat_family.netnsok = f->netnsok;
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#ifdef HAVE_PARALLEL_OPS
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f->compat_family.parallel_ops = f->parallel_ops;
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#endif
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err = genl_register_family_with_ops(&f->compat_family,
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(struct genl_ops *) f->ops, f->n_ops);
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if (err)
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goto error;
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if (f->mcgrps) {
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/* Need to Fix GROUP_ID() for more than one group. */
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BUG_ON(f->n_mcgrps > 1);
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err = genl_register_mc_group(&f->compat_family,
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(struct genl_multicast_group *) f->mcgrps);
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if (err)
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goto error;
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}
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error:
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return err;
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}
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#endif /* kernel version < 3.13.0 */
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