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Commit 6e8f4d48 authored by Masahide NAKAMURA's avatar Masahide NAKAMURA Committed by David S. Miller
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[IPV6] MIP6: Add sending mobility header functions through raw socket. 



Mobility header is built by user-space and sent through raw socket.
Kernel just extracts its type to flow.
Based on MIPL2 kernel patch.

Signed-off-by: default avatarMasahide NAKAMURA <nakam@linux-ipv6.org>
Signed-off-by: default avatarYOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 7be96f76

net/ipv6/raw.c

+17 −0
Original line number Original line Diff line number Diff line
@@ -609,6 +609,9 @@ static void rawv6_probe_proto_opt(struct flowi *fl, struct msghdr *msg) 
	struct iovec *iov;

	struct iovec *iov;

	u8 __user *type = NULL;

	u8 __user *type = NULL;

	u8 __user *code = NULL;

	u8 __user *code = NULL;

#ifdef CONFIG_IPV6_MIP6

	u8 len = 0;

#endif

	int probed = 0;

	int probed = 0;

	int i;

	int i;
@@ -640,6 +643,20 @@ static void rawv6_probe_proto_opt(struct flowi *fl, struct msghdr *msg) 
				probed = 1;

				probed = 1;

			}

			}

			break;

			break;

#ifdef CONFIG_IPV6_MIP6

		case IPPROTO_MH:

			if (iov->iov_base && iov->iov_len < 1)

				break;

			/* check if type field is readable or not. */

			if (iov->iov_len > 2 - len) {

				u8 __user *p = iov->iov_base;

				get_user(fl->fl_mh_type, &p[2 - len]);

				probed = 1;

			} else

				len += iov->iov_len;



			break;

#endif

		default:

		default:

			probed = 1;

			probed = 1;

			break;

			break;