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| 1 | +/* SPDX-License-Identifier: GPL-2.0-or-later */ |
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1 | 2 | /* |
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2 | 3 | * INET An implementation of the TCP/IP protocol suite for the LINUX |
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3 | 4 | * operating system. INET is implemented using the BSD Socket |
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.. | .. |
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8 | 9 | * Version: @(#)protocol.h 1.0.2 05/07/93 |
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9 | 10 | * |
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10 | 11 | * Author: Fred N. van Kempen, <waltje@uWalt.NL.Mugnet.ORG> |
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11 | | - * |
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12 | | - * This program is free software; you can redistribute it and/or |
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13 | | - * modify it under the terms of the GNU General Public License |
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14 | | - * as published by the Free Software Foundation; either version |
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15 | | - * 2 of the License, or (at your option) any later version. |
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16 | 12 | * |
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17 | 13 | * Changes: |
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18 | 14 | * Alan Cox : Added a name field and a frag handler |
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.. | .. |
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39 | 35 | |
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40 | 36 | /* This is used to register protocols. */ |
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41 | 37 | struct net_protocol { |
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42 | | - int (*early_demux)(struct sk_buff *skb); |
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43 | | - int (*early_demux_handler)(struct sk_buff *skb); |
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44 | 38 | int (*handler)(struct sk_buff *skb); |
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45 | | - void (*err_handler)(struct sk_buff *skb, u32 info); |
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| 39 | + |
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| 40 | + /* This returns an error if we weren't able to handle the error. */ |
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| 41 | + int (*err_handler)(struct sk_buff *skb, u32 info); |
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| 42 | + |
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46 | 43 | unsigned int no_policy:1, |
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47 | 44 | netns_ok:1, |
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48 | 45 | /* does the protocol do more stringent |
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.. | .. |
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54 | 51 | |
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55 | 52 | #if IS_ENABLED(CONFIG_IPV6) |
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56 | 53 | struct inet6_protocol { |
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57 | | - void (*early_demux)(struct sk_buff *skb); |
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58 | | - void (*early_demux_handler)(struct sk_buff *skb); |
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59 | 54 | int (*handler)(struct sk_buff *skb); |
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60 | 55 | |
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61 | | - void (*err_handler)(struct sk_buff *skb, |
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| 56 | + /* This returns an error if we weren't able to handle the error. */ |
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| 57 | + int (*err_handler)(struct sk_buff *skb, |
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62 | 58 | struct inet6_skb_parm *opt, |
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63 | 59 | u8 type, u8 code, int offset, |
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64 | 60 | __be32 info); |
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| 61 | + |
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65 | 62 | unsigned int flags; /* INET6_PROTO_xxx */ |
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66 | 63 | }; |
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67 | 64 | |
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