| .. | .. |
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| 123 | 123 | return ((y >= x) || (y < z)) ? true : false; |
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| 124 | 124 | } |
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| 125 | 125 | |
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| 126 | | -static struct sk_buff *llc_shdlc_alloc_skb(struct llc_shdlc *shdlc, |
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| 126 | +static struct sk_buff *llc_shdlc_alloc_skb(const struct llc_shdlc *shdlc, |
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| 127 | 127 | int payload_len) |
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| 128 | 128 | { |
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| 129 | 129 | struct sk_buff *skb; |
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| .. | .. |
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| 137 | 137 | } |
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| 138 | 138 | |
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| 139 | 139 | /* immediately sends an S frame. */ |
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| 140 | | -static int llc_shdlc_send_s_frame(struct llc_shdlc *shdlc, |
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| 140 | +static int llc_shdlc_send_s_frame(const struct llc_shdlc *shdlc, |
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| 141 | 141 | enum sframe_type sframe_type, int nr) |
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| 142 | 142 | { |
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| 143 | 143 | int r; |
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| .. | .. |
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| 159 | 159 | } |
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| 160 | 160 | |
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| 161 | 161 | /* immediately sends an U frame. skb may contain optional payload */ |
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| 162 | | -static int llc_shdlc_send_u_frame(struct llc_shdlc *shdlc, |
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| 162 | +static int llc_shdlc_send_u_frame(const struct llc_shdlc *shdlc, |
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| 163 | 163 | struct sk_buff *skb, |
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| 164 | 164 | enum uframe_modifier uframe_modifier) |
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| 165 | 165 | { |
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| .. | .. |
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| 361 | 361 | wake_up(shdlc->connect_wq); |
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| 362 | 362 | } |
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| 363 | 363 | |
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| 364 | | -static int llc_shdlc_connect_initiate(struct llc_shdlc *shdlc) |
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| 364 | +static int llc_shdlc_connect_initiate(const struct llc_shdlc *shdlc) |
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| 365 | 365 | { |
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| 366 | 366 | struct sk_buff *skb; |
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| 367 | 367 | |
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| .. | .. |
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| 377 | 377 | return llc_shdlc_send_u_frame(shdlc, skb, U_FRAME_RSET); |
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| 378 | 378 | } |
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| 379 | 379 | |
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| 380 | | -static int llc_shdlc_connect_send_ua(struct llc_shdlc *shdlc) |
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| 380 | +static int llc_shdlc_connect_send_ua(const struct llc_shdlc *shdlc) |
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| 381 | 381 | { |
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| 382 | 382 | struct sk_buff *skb; |
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| 383 | 383 | |
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