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38 | 38 | extern __wsum csum_partial(const void *buff, int len, __wsum sum); |
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39 | 39 | |
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40 | 40 | /* |
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41 | | - * Same as csum_partial, but copies from src while it checksums. |
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42 | | - * |
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43 | | - * Here it is even more important to align src and dst on a 32-bit (or |
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44 | | - * even better 64-bit) boundary. |
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45 | | - */ |
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46 | | -extern __wsum csum_partial_copy_from_user(const void __user *src, void *dst, |
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47 | | - int len, __wsum sum, |
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48 | | - int *errp); |
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49 | | - |
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50 | | -extern __wsum csum_partial_copy_nocheck(const void *src, void *dst, |
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51 | | - int len, __wsum sum); |
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52 | | - |
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53 | | -/* |
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54 | 41 | * This routine is used for miscellaneous IP-like checksums, mainly in |
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55 | 42 | * icmp.c |
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56 | 43 | */ |
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